devices/e1000/e1000_main-2.6.33-orig.c
author Philipp Weyer <pw@igh-essen.com>
Fri, 18 Aug 2017 12:30:16 +0200
changeset 2679 33b922ec1871
parent 1992 b1266dd6bb2f
permissions -rw-r--r--
Fixed lib include paths
1992
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2006 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*******************************************************************************/
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#include "e1000.h"
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#include <net/ip6_checksum.h>
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char e1000_driver_name[] = "e1000";
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static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
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#define DRV_VERSION "7.3.21-k5-NAPI"
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const char e1000_driver_version[] = DRV_VERSION;
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static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
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/* e1000_pci_tbl - PCI Device ID Table
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 *
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 * Last entry must be all 0s
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 *
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 * Macro expands to...
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 *   {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
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 */
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static struct pci_device_id e1000_pci_tbl[] = {
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	INTEL_E1000_ETHERNET_DEVICE(0x1000),
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	INTEL_E1000_ETHERNET_DEVICE(0x1001),
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	INTEL_E1000_ETHERNET_DEVICE(0x1004),
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	INTEL_E1000_ETHERNET_DEVICE(0x1008),
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	INTEL_E1000_ETHERNET_DEVICE(0x1009),
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	INTEL_E1000_ETHERNET_DEVICE(0x100C),
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	INTEL_E1000_ETHERNET_DEVICE(0x100D),
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	INTEL_E1000_ETHERNET_DEVICE(0x100E),
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	INTEL_E1000_ETHERNET_DEVICE(0x100F),
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	INTEL_E1000_ETHERNET_DEVICE(0x1010),
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	INTEL_E1000_ETHERNET_DEVICE(0x1011),
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	INTEL_E1000_ETHERNET_DEVICE(0x1012),
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	INTEL_E1000_ETHERNET_DEVICE(0x1013),
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	INTEL_E1000_ETHERNET_DEVICE(0x1014),
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	INTEL_E1000_ETHERNET_DEVICE(0x1015),
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	INTEL_E1000_ETHERNET_DEVICE(0x1016),
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	INTEL_E1000_ETHERNET_DEVICE(0x1017),
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	INTEL_E1000_ETHERNET_DEVICE(0x1018),
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	INTEL_E1000_ETHERNET_DEVICE(0x1019),
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	INTEL_E1000_ETHERNET_DEVICE(0x101A),
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	INTEL_E1000_ETHERNET_DEVICE(0x101D),
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	INTEL_E1000_ETHERNET_DEVICE(0x101E),
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	INTEL_E1000_ETHERNET_DEVICE(0x1026),
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	INTEL_E1000_ETHERNET_DEVICE(0x1027),
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	INTEL_E1000_ETHERNET_DEVICE(0x1028),
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	INTEL_E1000_ETHERNET_DEVICE(0x1075),
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	INTEL_E1000_ETHERNET_DEVICE(0x1076),
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	INTEL_E1000_ETHERNET_DEVICE(0x1077),
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	INTEL_E1000_ETHERNET_DEVICE(0x1078),
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	INTEL_E1000_ETHERNET_DEVICE(0x1079),
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	INTEL_E1000_ETHERNET_DEVICE(0x107A),
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	INTEL_E1000_ETHERNET_DEVICE(0x107B),
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	INTEL_E1000_ETHERNET_DEVICE(0x107C),
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	INTEL_E1000_ETHERNET_DEVICE(0x108A),
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	INTEL_E1000_ETHERNET_DEVICE(0x1099),
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	INTEL_E1000_ETHERNET_DEVICE(0x10B5),
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	/* required last entry */
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	{0,}
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};
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MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
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int e1000_up(struct e1000_adapter *adapter);
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void e1000_down(struct e1000_adapter *adapter);
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void e1000_reinit_locked(struct e1000_adapter *adapter);
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void e1000_reset(struct e1000_adapter *adapter);
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int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx);
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int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
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int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
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void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
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void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
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static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
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                             struct e1000_tx_ring *txdr);
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static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
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                             struct e1000_rx_ring *rxdr);
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static void e1000_free_tx_resources(struct e1000_adapter *adapter,
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                             struct e1000_tx_ring *tx_ring);
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static void e1000_free_rx_resources(struct e1000_adapter *adapter,
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                             struct e1000_rx_ring *rx_ring);
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void e1000_update_stats(struct e1000_adapter *adapter);
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static int e1000_init_module(void);
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static void e1000_exit_module(void);
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static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
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static void __devexit e1000_remove(struct pci_dev *pdev);
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static int e1000_alloc_queues(struct e1000_adapter *adapter);
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static int e1000_sw_init(struct e1000_adapter *adapter);
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static int e1000_open(struct net_device *netdev);
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static int e1000_close(struct net_device *netdev);
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static void e1000_configure_tx(struct e1000_adapter *adapter);
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static void e1000_configure_rx(struct e1000_adapter *adapter);
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static void e1000_setup_rctl(struct e1000_adapter *adapter);
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static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter);
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static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
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                                struct e1000_tx_ring *tx_ring);
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static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
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                                struct e1000_rx_ring *rx_ring);
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static void e1000_set_rx_mode(struct net_device *netdev);
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static void e1000_update_phy_info(unsigned long data);
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static void e1000_watchdog(unsigned long data);
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static void e1000_82547_tx_fifo_stall(unsigned long data);
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static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
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				    struct net_device *netdev);
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static struct net_device_stats * e1000_get_stats(struct net_device *netdev);
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static int e1000_change_mtu(struct net_device *netdev, int new_mtu);
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static int e1000_set_mac(struct net_device *netdev, void *p);
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static irqreturn_t e1000_intr(int irq, void *data);
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static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
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			       struct e1000_tx_ring *tx_ring);
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static int e1000_clean(struct napi_struct *napi, int budget);
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static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
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			       struct e1000_rx_ring *rx_ring,
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			       int *work_done, int work_to_do);
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static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
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				     struct e1000_rx_ring *rx_ring,
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				     int *work_done, int work_to_do);
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static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
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				   struct e1000_rx_ring *rx_ring,
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				   int cleaned_count);
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static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
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					 struct e1000_rx_ring *rx_ring,
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					 int cleaned_count);
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static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
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static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
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			   int cmd);
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static void e1000_enter_82542_rst(struct e1000_adapter *adapter);
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static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
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static void e1000_tx_timeout(struct net_device *dev);
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static void e1000_reset_task(struct work_struct *work);
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static void e1000_smartspeed(struct e1000_adapter *adapter);
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static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
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                                       struct sk_buff *skb);
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static void e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp);
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static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
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static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
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static void e1000_restore_vlan(struct e1000_adapter *adapter);
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#ifdef CONFIG_PM
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static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
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static int e1000_resume(struct pci_dev *pdev);
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#endif
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static void e1000_shutdown(struct pci_dev *pdev);
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#ifdef CONFIG_NET_POLL_CONTROLLER
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/* for netdump / net console */
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static void e1000_netpoll (struct net_device *netdev);
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#endif
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#define COPYBREAK_DEFAULT 256
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static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;
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module_param(copybreak, uint, 0644);
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MODULE_PARM_DESC(copybreak,
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	"Maximum size of packet that is copied to a new buffer on receive");
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static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
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                     pci_channel_state_t state);
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static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
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static void e1000_io_resume(struct pci_dev *pdev);
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static struct pci_error_handlers e1000_err_handler = {
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	.error_detected = e1000_io_error_detected,
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	.slot_reset = e1000_io_slot_reset,
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	.resume = e1000_io_resume,
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};
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static struct pci_driver e1000_driver = {
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	.name     = e1000_driver_name,
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	.id_table = e1000_pci_tbl,
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	.probe    = e1000_probe,
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	.remove   = __devexit_p(e1000_remove),
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#ifdef CONFIG_PM
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	/* Power Managment Hooks */
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	.suspend  = e1000_suspend,
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	.resume   = e1000_resume,
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#endif
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	.shutdown = e1000_shutdown,
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	.err_handler = &e1000_err_handler
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};
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MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
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MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
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/**
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 * e1000_init_module - Driver Registration Routine
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 *
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 * e1000_init_module is the first routine called when the driver is
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 * loaded. All it does is register with the PCI subsystem.
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 **/
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static int __init e1000_init_module(void)
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{
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	int ret;
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	printk(KERN_INFO "%s - version %s\n",
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	       e1000_driver_string, e1000_driver_version);
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	printk(KERN_INFO "%s\n", e1000_copyright);
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	ret = pci_register_driver(&e1000_driver);
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	if (copybreak != COPYBREAK_DEFAULT) {
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		if (copybreak == 0)
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			printk(KERN_INFO "e1000: copybreak disabled\n");
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		else
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			printk(KERN_INFO "e1000: copybreak enabled for "
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			       "packets <= %u bytes\n", copybreak);
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	}
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	return ret;
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}
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module_init(e1000_init_module);
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/**
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 * e1000_exit_module - Driver Exit Cleanup Routine
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 *
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 * e1000_exit_module is called just before the driver is removed
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 * from memory.
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 **/
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static void __exit e1000_exit_module(void)
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{
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	pci_unregister_driver(&e1000_driver);
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}
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module_exit(e1000_exit_module);
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static int e1000_request_irq(struct e1000_adapter *adapter)
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{
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	struct net_device *netdev = adapter->netdev;
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	irq_handler_t handler = e1000_intr;
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   262
	int irq_flags = IRQF_SHARED;
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   263
	int err;
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   264
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	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
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	                  netdev);
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	if (err) {
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		DPRINTK(PROBE, ERR,
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		        "Unable to allocate interrupt Error: %d\n", err);
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	}
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	return err;
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}
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static void e1000_free_irq(struct e1000_adapter *adapter)
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{
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	struct net_device *netdev = adapter->netdev;
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	free_irq(adapter->pdev->irq, netdev);
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}
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/**
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 * e1000_irq_disable - Mask off interrupt generation on the NIC
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 * @adapter: board private structure
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 **/
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   287
static void e1000_irq_disable(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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   291
	ew32(IMC, ~0);
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   292
	E1000_WRITE_FLUSH();
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   293
	synchronize_irq(adapter->pdev->irq);
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   294
}
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/**
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   297
 * e1000_irq_enable - Enable default interrupt generation settings
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 * @adapter: board private structure
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 **/
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static void e1000_irq_enable(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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   305
	ew32(IMS, IMS_ENABLE_MASK);
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   306
	E1000_WRITE_FLUSH();
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}
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   309
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
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{
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	struct e1000_hw *hw = &adapter->hw;
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	struct net_device *netdev = adapter->netdev;
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	u16 vid = hw->mng_cookie.vlan_id;
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   314
	u16 old_vid = adapter->mng_vlan_id;
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   315
	if (adapter->vlgrp) {
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   316
		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
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   317
			if (hw->mng_cookie.status &
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   318
				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
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   319
				e1000_vlan_rx_add_vid(netdev, vid);
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				adapter->mng_vlan_id = vid;
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   321
			} else
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				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
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   323
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   324
			if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
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   325
					(vid != old_vid) &&
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   326
			    !vlan_group_get_device(adapter->vlgrp, old_vid))
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   327
				e1000_vlan_rx_kill_vid(netdev, old_vid);
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   328
		} else
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   329
			adapter->mng_vlan_id = vid;
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   330
	}
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   331
}
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   332
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   333
static void e1000_init_manageability(struct e1000_adapter *adapter)
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   334
{
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   335
	struct e1000_hw *hw = &adapter->hw;
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   336
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   337
	if (adapter->en_mng_pt) {
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   338
		u32 manc = er32(MANC);
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   339
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   340
		/* disable hardware interception of ARP */
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   341
		manc &= ~(E1000_MANC_ARP_EN);
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   342
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   343
		ew32(MANC, manc);
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   344
	}
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   345
}
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   346
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   347
static void e1000_release_manageability(struct e1000_adapter *adapter)
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   348
{
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   349
	struct e1000_hw *hw = &adapter->hw;
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   350
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   351
	if (adapter->en_mng_pt) {
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   352
		u32 manc = er32(MANC);
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   353
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   354
		/* re-enable hardware interception of ARP */
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   355
		manc |= E1000_MANC_ARP_EN;
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   356
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   357
		ew32(MANC, manc);
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diff changeset
   358
	}
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   359
}
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parents:
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   360
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diff changeset
   361
/**
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parents:
diff changeset
   362
 * e1000_configure - configure the hardware for RX and TX
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parents:
diff changeset
   363
 * @adapter = private board structure
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   364
 **/
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diff changeset
   365
static void e1000_configure(struct e1000_adapter *adapter)
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   366
{
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   367
	struct net_device *netdev = adapter->netdev;
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   368
	int i;
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   369
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   370
	e1000_set_rx_mode(netdev);
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   371
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   372
	e1000_restore_vlan(adapter);
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   373
	e1000_init_manageability(adapter);
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   374
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   375
	e1000_configure_tx(adapter);
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   376
	e1000_setup_rctl(adapter);
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diff changeset
   377
	e1000_configure_rx(adapter);
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diff changeset
   378
	/* call E1000_DESC_UNUSED which always leaves
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parents:
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   379
	 * at least 1 descriptor unused to make sure
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parents:
diff changeset
   380
	 * next_to_use != next_to_clean */
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parents:
diff changeset
   381
	for (i = 0; i < adapter->num_rx_queues; i++) {
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parents:
diff changeset
   382
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
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parents:
diff changeset
   383
		adapter->alloc_rx_buf(adapter, ring,
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parents:
diff changeset
   384
		                      E1000_DESC_UNUSED(ring));
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parents:
diff changeset
   385
	}
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parents:
diff changeset
   386
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Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   387
	adapter->tx_queue_len = netdev->tx_queue_len;
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parents:
diff changeset
   388
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   389
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   390
int e1000_up(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   391
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   392
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   393
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   394
	/* hardware has been reset, we need to reload some things */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   395
	e1000_configure(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   396
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   397
	clear_bit(__E1000_DOWN, &adapter->flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   398
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   399
	napi_enable(&adapter->napi);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   400
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   401
	e1000_irq_enable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   402
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   403
	netif_wake_queue(adapter->netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   404
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   405
	/* fire a link change interrupt to start the watchdog */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   406
	ew32(ICS, E1000_ICS_LSC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   407
	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   408
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   409
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   410
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   411
 * e1000_power_up_phy - restore link in case the phy was powered down
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   412
 * @adapter: address of board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   413
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   414
 * The phy may be powered down to save power and turn off link when the
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   415
 * driver is unloaded and wake on lan is not enabled (among others)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   416
 * *** this routine MUST be followed by a call to e1000_reset ***
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   417
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   418
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   419
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   420
void e1000_power_up_phy(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   421
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   422
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   423
	u16 mii_reg = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   424
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   425
	/* Just clear the power down bit to wake the phy back up */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   426
	if (hw->media_type == e1000_media_type_copper) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   427
		/* according to the manual, the phy will retain its
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   428
		 * settings across a power-down/up cycle */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   429
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   430
		mii_reg &= ~MII_CR_POWER_DOWN;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   431
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   432
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   433
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   434
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   435
static void e1000_power_down_phy(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   436
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   437
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   438
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   439
	/* Power down the PHY so no link is implied when interface is down *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   440
	 * The PHY cannot be powered down if any of the following is true *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   441
	 * (a) WoL is enabled
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   442
	 * (b) AMT is active
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   443
	 * (c) SoL/IDER session is active */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   444
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   445
	   hw->media_type == e1000_media_type_copper) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   446
		u16 mii_reg = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   447
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   448
		switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   449
		case e1000_82540:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   450
		case e1000_82545:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   451
		case e1000_82545_rev_3:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   452
		case e1000_82546:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   453
		case e1000_82546_rev_3:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   454
		case e1000_82541:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   455
		case e1000_82541_rev_2:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   456
		case e1000_82547:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   457
		case e1000_82547_rev_2:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   458
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   459
				goto out;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   460
			break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   461
		default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   462
			goto out;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   463
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   464
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   465
		mii_reg |= MII_CR_POWER_DOWN;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   466
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   467
		mdelay(1);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   468
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   469
out:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   470
	return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   471
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   472
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   473
void e1000_down(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   474
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   475
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   476
	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   477
	u32 rctl, tctl;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   478
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   479
	/* signal that we're down so the interrupt handler does not
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   480
	 * reschedule our watchdog timer */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   481
	set_bit(__E1000_DOWN, &adapter->flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   482
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   483
	/* disable receives in the hardware */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   484
	rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   485
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   486
	/* flush and sleep below */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   487
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   488
	netif_tx_disable(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   489
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   490
	/* disable transmits in the hardware */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   491
	tctl = er32(TCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   492
	tctl &= ~E1000_TCTL_EN;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   493
	ew32(TCTL, tctl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   494
	/* flush both disables and wait for them to finish */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   495
	E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   496
	msleep(10);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   497
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   498
	napi_disable(&adapter->napi);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   499
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   500
	e1000_irq_disable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   501
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   502
	del_timer_sync(&adapter->tx_fifo_stall_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   503
	del_timer_sync(&adapter->watchdog_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   504
	del_timer_sync(&adapter->phy_info_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   505
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   506
	netdev->tx_queue_len = adapter->tx_queue_len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   507
	adapter->link_speed = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   508
	adapter->link_duplex = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   509
	netif_carrier_off(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   510
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   511
	e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   512
	e1000_clean_all_tx_rings(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   513
	e1000_clean_all_rx_rings(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   514
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   515
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   516
void e1000_reinit_locked(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   517
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   518
	WARN_ON(in_interrupt());
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   519
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   520
		msleep(1);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   521
	e1000_down(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   522
	e1000_up(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   523
	clear_bit(__E1000_RESETTING, &adapter->flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   524
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   525
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   526
void e1000_reset(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   527
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   528
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   529
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   530
	bool legacy_pba_adjust = false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   531
	u16 hwm;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   532
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   533
	/* Repartition Pba for greater than 9k mtu
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   534
	 * To take effect CTRL.RST is required.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   535
	 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   536
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   537
	switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   538
	case e1000_82542_rev2_0:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   539
	case e1000_82542_rev2_1:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   540
	case e1000_82543:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   541
	case e1000_82544:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   542
	case e1000_82540:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   543
	case e1000_82541:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   544
	case e1000_82541_rev_2:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   545
		legacy_pba_adjust = true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   546
		pba = E1000_PBA_48K;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   547
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   548
	case e1000_82545:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   549
	case e1000_82545_rev_3:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   550
	case e1000_82546:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   551
	case e1000_82546_rev_3:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   552
		pba = E1000_PBA_48K;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   553
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   554
	case e1000_82547:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   555
	case e1000_82547_rev_2:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   556
		legacy_pba_adjust = true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   557
		pba = E1000_PBA_30K;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   558
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   559
	case e1000_undefined:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   560
	case e1000_num_macs:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   561
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   562
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   563
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   564
	if (legacy_pba_adjust) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   565
		if (hw->max_frame_size > E1000_RXBUFFER_8192)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   566
			pba -= 8; /* allocate more FIFO for Tx */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   567
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   568
		if (hw->mac_type == e1000_82547) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   569
			adapter->tx_fifo_head = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   570
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   571
			adapter->tx_fifo_size =
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   572
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   573
			atomic_set(&adapter->tx_fifo_stall, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   574
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   575
	} else if (hw->max_frame_size >  ETH_FRAME_LEN + ETH_FCS_LEN) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   576
		/* adjust PBA for jumbo frames */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   577
		ew32(PBA, pba);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   578
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   579
		/* To maintain wire speed transmits, the Tx FIFO should be
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   580
		 * large enough to accommodate two full transmit packets,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   581
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   582
		 * the Rx FIFO should be large enough to accommodate at least
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   583
		 * one full receive packet and is similarly rounded up and
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   584
		 * expressed in KB. */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   585
		pba = er32(PBA);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   586
		/* upper 16 bits has Tx packet buffer allocation size in KB */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   587
		tx_space = pba >> 16;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   588
		/* lower 16 bits has Rx packet buffer allocation size in KB */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   589
		pba &= 0xffff;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   590
		/*
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   591
		 * the tx fifo also stores 16 bytes of information about the tx
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   592
		 * but don't include ethernet FCS because hardware appends it
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   593
		 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   594
		min_tx_space = (hw->max_frame_size +
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   595
		                sizeof(struct e1000_tx_desc) -
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   596
		                ETH_FCS_LEN) * 2;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   597
		min_tx_space = ALIGN(min_tx_space, 1024);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   598
		min_tx_space >>= 10;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   599
		/* software strips receive CRC, so leave room for it */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   600
		min_rx_space = hw->max_frame_size;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   601
		min_rx_space = ALIGN(min_rx_space, 1024);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   602
		min_rx_space >>= 10;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   603
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   604
		/* If current Tx allocation is less than the min Tx FIFO size,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   605
		 * and the min Tx FIFO size is less than the current Rx FIFO
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   606
		 * allocation, take space away from current Rx allocation */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   607
		if (tx_space < min_tx_space &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   608
		    ((min_tx_space - tx_space) < pba)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   609
			pba = pba - (min_tx_space - tx_space);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   610
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   611
			/* PCI/PCIx hardware has PBA alignment constraints */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   612
			switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   613
			case e1000_82545 ... e1000_82546_rev_3:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   614
				pba &= ~(E1000_PBA_8K - 1);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   615
				break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   616
			default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   617
				break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   618
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   619
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   620
			/* if short on rx space, rx wins and must trump tx
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   621
			 * adjustment or use Early Receive if available */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   622
			if (pba < min_rx_space)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   623
				pba = min_rx_space;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   624
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   625
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   626
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   627
	ew32(PBA, pba);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   628
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   629
	/*
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   630
	 * flow control settings:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   631
	 * The high water mark must be low enough to fit one full frame
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   632
	 * (or the size used for early receive) above it in the Rx FIFO.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   633
	 * Set it to the lower of:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   634
	 * - 90% of the Rx FIFO size, and
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   635
	 * - the full Rx FIFO size minus the early receive size (for parts
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   636
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   637
	 * - the full Rx FIFO size minus one full frame
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   638
	 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   639
	hwm = min(((pba << 10) * 9 / 10),
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   640
		  ((pba << 10) - hw->max_frame_size));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   641
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   642
	hw->fc_high_water = hwm & 0xFFF8;	/* 8-byte granularity */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   643
	hw->fc_low_water = hw->fc_high_water - 8;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   644
	hw->fc_pause_time = E1000_FC_PAUSE_TIME;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   645
	hw->fc_send_xon = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   646
	hw->fc = hw->original_fc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   647
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   648
	/* Allow time for pending master requests to run */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   649
	e1000_reset_hw(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   650
	if (hw->mac_type >= e1000_82544)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   651
		ew32(WUC, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   652
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   653
	if (e1000_init_hw(hw))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   654
		DPRINTK(PROBE, ERR, "Hardware Error\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   655
	e1000_update_mng_vlan(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   656
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   657
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   658
	if (hw->mac_type >= e1000_82544 &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   659
	    hw->autoneg == 1 &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   660
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   661
		u32 ctrl = er32(CTRL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   662
		/* clear phy power management bit if we are in gig only mode,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   663
		 * which if enabled will attempt negotiation to 100Mb, which
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   664
		 * can cause a loss of link at power off or driver unload */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   665
		ctrl &= ~E1000_CTRL_SWDPIN3;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   666
		ew32(CTRL, ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   667
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   668
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   669
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   670
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   671
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   672
	e1000_reset_adaptive(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   673
	e1000_phy_get_info(hw, &adapter->phy_info);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   674
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   675
	e1000_release_manageability(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   676
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   677
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   678
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   679
 *  Dump the eeprom for users having checksum issues
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   680
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   681
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   682
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   683
	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   684
	struct ethtool_eeprom eeprom;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   685
	const struct ethtool_ops *ops = netdev->ethtool_ops;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   686
	u8 *data;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   687
	int i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   688
	u16 csum_old, csum_new = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   689
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   690
	eeprom.len = ops->get_eeprom_len(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   691
	eeprom.offset = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   692
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   693
	data = kmalloc(eeprom.len, GFP_KERNEL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   694
	if (!data) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   695
		printk(KERN_ERR "Unable to allocate memory to dump EEPROM"
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   696
		       " data\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   697
		return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   698
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   699
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   700
	ops->get_eeprom(netdev, &eeprom, data);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   701
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   702
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   703
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   704
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   705
		csum_new += data[i] + (data[i + 1] << 8);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   706
	csum_new = EEPROM_SUM - csum_new;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   707
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   708
	printk(KERN_ERR "/*********************/\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   709
	printk(KERN_ERR "Current EEPROM Checksum : 0x%04x\n", csum_old);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   710
	printk(KERN_ERR "Calculated              : 0x%04x\n", csum_new);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   711
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   712
	printk(KERN_ERR "Offset    Values\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   713
	printk(KERN_ERR "========  ======\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   714
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   715
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   716
	printk(KERN_ERR "Include this output when contacting your support "
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   717
	       "provider.\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   718
	printk(KERN_ERR "This is not a software error! Something bad "
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   719
	       "happened to your hardware or\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   720
	printk(KERN_ERR "EEPROM image. Ignoring this "
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   721
	       "problem could result in further problems,\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   722
	printk(KERN_ERR "possibly loss of data, corruption or system hangs!\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   723
	printk(KERN_ERR "The MAC Address will be reset to 00:00:00:00:00:00, "
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   724
	       "which is invalid\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   725
	printk(KERN_ERR "and requires you to set the proper MAC "
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   726
	       "address manually before continuing\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   727
	printk(KERN_ERR "to enable this network device.\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   728
	printk(KERN_ERR "Please inspect the EEPROM dump and report the issue "
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   729
	       "to your hardware vendor\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   730
	printk(KERN_ERR "or Intel Customer Support.\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   731
	printk(KERN_ERR "/*********************/\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   732
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   733
	kfree(data);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   734
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   735
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   736
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   737
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   738
 * @pdev: PCI device information struct
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   739
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   740
 * Return true if an adapter needs ioport resources
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   741
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   742
static int e1000_is_need_ioport(struct pci_dev *pdev)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   743
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   744
	switch (pdev->device) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   745
	case E1000_DEV_ID_82540EM:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   746
	case E1000_DEV_ID_82540EM_LOM:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   747
	case E1000_DEV_ID_82540EP:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   748
	case E1000_DEV_ID_82540EP_LOM:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   749
	case E1000_DEV_ID_82540EP_LP:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   750
	case E1000_DEV_ID_82541EI:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   751
	case E1000_DEV_ID_82541EI_MOBILE:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   752
	case E1000_DEV_ID_82541ER:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   753
	case E1000_DEV_ID_82541ER_LOM:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   754
	case E1000_DEV_ID_82541GI:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   755
	case E1000_DEV_ID_82541GI_LF:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   756
	case E1000_DEV_ID_82541GI_MOBILE:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   757
	case E1000_DEV_ID_82544EI_COPPER:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   758
	case E1000_DEV_ID_82544EI_FIBER:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   759
	case E1000_DEV_ID_82544GC_COPPER:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   760
	case E1000_DEV_ID_82544GC_LOM:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   761
	case E1000_DEV_ID_82545EM_COPPER:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   762
	case E1000_DEV_ID_82545EM_FIBER:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   763
	case E1000_DEV_ID_82546EB_COPPER:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   764
	case E1000_DEV_ID_82546EB_FIBER:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   765
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   766
		return true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   767
	default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   768
		return false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   769
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   770
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   771
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   772
static const struct net_device_ops e1000_netdev_ops = {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   773
	.ndo_open		= e1000_open,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   774
	.ndo_stop		= e1000_close,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   775
	.ndo_start_xmit		= e1000_xmit_frame,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   776
	.ndo_get_stats		= e1000_get_stats,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   777
	.ndo_set_rx_mode	= e1000_set_rx_mode,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   778
	.ndo_set_mac_address	= e1000_set_mac,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   779
	.ndo_tx_timeout 	= e1000_tx_timeout,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   780
	.ndo_change_mtu		= e1000_change_mtu,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   781
	.ndo_do_ioctl		= e1000_ioctl,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   782
	.ndo_validate_addr	= eth_validate_addr,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   783
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   784
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   785
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   786
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   787
#ifdef CONFIG_NET_POLL_CONTROLLER
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   788
	.ndo_poll_controller	= e1000_netpoll,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   789
#endif
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   790
};
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   791
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   792
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   793
 * e1000_probe - Device Initialization Routine
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   794
 * @pdev: PCI device information struct
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   795
 * @ent: entry in e1000_pci_tbl
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   796
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   797
 * Returns 0 on success, negative on failure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   798
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   799
 * e1000_probe initializes an adapter identified by a pci_dev structure.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   800
 * The OS initialization, configuring of the adapter private structure,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   801
 * and a hardware reset occur.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   802
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   803
static int __devinit e1000_probe(struct pci_dev *pdev,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   804
				 const struct pci_device_id *ent)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   805
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   806
	struct net_device *netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   807
	struct e1000_adapter *adapter;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   808
	struct e1000_hw *hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   809
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   810
	static int cards_found = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   811
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   812
	int i, err, pci_using_dac;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   813
	u16 eeprom_data = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   814
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   815
	int bars, need_ioport;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   816
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   817
	/* do not allocate ioport bars when not needed */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   818
	need_ioport = e1000_is_need_ioport(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   819
	if (need_ioport) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   820
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   821
		err = pci_enable_device(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   822
	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   823
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   824
		err = pci_enable_device_mem(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   825
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   826
	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   827
		return err;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   828
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   829
	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   830
	    !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   831
		pci_using_dac = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   832
	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   833
		err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   834
		if (err) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   835
			err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   836
			if (err) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   837
				E1000_ERR("No usable DMA configuration, "
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   838
					  "aborting\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   839
				goto err_dma;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   840
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   841
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   842
		pci_using_dac = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   843
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   844
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   845
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   846
	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   847
		goto err_pci_reg;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   848
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   849
	pci_set_master(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   850
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   851
	err = -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   852
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   853
	if (!netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   854
		goto err_alloc_etherdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   855
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   856
	SET_NETDEV_DEV(netdev, &pdev->dev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   857
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   858
	pci_set_drvdata(pdev, netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   859
	adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   860
	adapter->netdev = netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   861
	adapter->pdev = pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   862
	adapter->msg_enable = (1 << debug) - 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   863
	adapter->bars = bars;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   864
	adapter->need_ioport = need_ioport;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   865
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   866
	hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   867
	hw->back = adapter;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   868
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   869
	err = -EIO;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   870
	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   871
	if (!hw->hw_addr)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   872
		goto err_ioremap;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   873
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   874
	if (adapter->need_ioport) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   875
		for (i = BAR_1; i <= BAR_5; i++) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   876
			if (pci_resource_len(pdev, i) == 0)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   877
				continue;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   878
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   879
				hw->io_base = pci_resource_start(pdev, i);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   880
				break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   881
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   882
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   883
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   884
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   885
	netdev->netdev_ops = &e1000_netdev_ops;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   886
	e1000_set_ethtool_ops(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   887
	netdev->watchdog_timeo = 5 * HZ;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   888
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   889
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   890
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   891
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   892
	adapter->bd_number = cards_found;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   893
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   894
	/* setup the private structure */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   895
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   896
	err = e1000_sw_init(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   897
	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   898
		goto err_sw_init;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   899
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   900
	err = -EIO;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   901
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   902
	if (hw->mac_type >= e1000_82543) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   903
		netdev->features = NETIF_F_SG |
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   904
				   NETIF_F_HW_CSUM |
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   905
				   NETIF_F_HW_VLAN_TX |
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   906
				   NETIF_F_HW_VLAN_RX |
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   907
				   NETIF_F_HW_VLAN_FILTER;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   908
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   909
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   910
	if ((hw->mac_type >= e1000_82544) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   911
	   (hw->mac_type != e1000_82547))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   912
		netdev->features |= NETIF_F_TSO;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   913
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   914
	if (pci_using_dac)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   915
		netdev->features |= NETIF_F_HIGHDMA;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   916
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   917
	netdev->vlan_features |= NETIF_F_TSO;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   918
	netdev->vlan_features |= NETIF_F_HW_CSUM;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   919
	netdev->vlan_features |= NETIF_F_SG;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   920
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   921
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   922
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   923
	/* initialize eeprom parameters */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   924
	if (e1000_init_eeprom_params(hw)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   925
		E1000_ERR("EEPROM initialization failed\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   926
		goto err_eeprom;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   927
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   928
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   929
	/* before reading the EEPROM, reset the controller to
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   930
	 * put the device in a known good starting state */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   931
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   932
	e1000_reset_hw(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   933
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   934
	/* make sure the EEPROM is good */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   935
	if (e1000_validate_eeprom_checksum(hw) < 0) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   936
		DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   937
		e1000_dump_eeprom(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   938
		/*
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   939
		 * set MAC address to all zeroes to invalidate and temporary
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   940
		 * disable this device for the user. This blocks regular
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   941
		 * traffic while still permitting ethtool ioctls from reaching
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   942
		 * the hardware as well as allowing the user to run the
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   943
		 * interface after manually setting a hw addr using
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   944
		 * `ip set address`
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   945
		 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   946
		memset(hw->mac_addr, 0, netdev->addr_len);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   947
	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   948
		/* copy the MAC address out of the EEPROM */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   949
		if (e1000_read_mac_addr(hw))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   950
			DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   951
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   952
	/* don't block initalization here due to bad MAC address */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   953
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   954
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   955
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   956
	if (!is_valid_ether_addr(netdev->perm_addr))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   957
		DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   958
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   959
	e1000_get_bus_info(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   960
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   961
	init_timer(&adapter->tx_fifo_stall_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   962
	adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   963
	adapter->tx_fifo_stall_timer.data = (unsigned long)adapter;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   964
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   965
	init_timer(&adapter->watchdog_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   966
	adapter->watchdog_timer.function = &e1000_watchdog;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   967
	adapter->watchdog_timer.data = (unsigned long) adapter;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   968
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   969
	init_timer(&adapter->phy_info_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   970
	adapter->phy_info_timer.function = &e1000_update_phy_info;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   971
	adapter->phy_info_timer.data = (unsigned long)adapter;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   972
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   973
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   974
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   975
	e1000_check_options(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   976
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   977
	/* Initial Wake on LAN setting
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   978
	 * If APM wake is enabled in the EEPROM,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   979
	 * enable the ACPI Magic Packet filter
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   980
	 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   981
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   982
	switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   983
	case e1000_82542_rev2_0:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   984
	case e1000_82542_rev2_1:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   985
	case e1000_82543:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   986
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   987
	case e1000_82544:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   988
		e1000_read_eeprom(hw,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   989
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   990
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   991
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   992
	case e1000_82546:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   993
	case e1000_82546_rev_3:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   994
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   995
			e1000_read_eeprom(hw,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   996
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   997
			break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   998
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   999
		/* Fall Through */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1000
	default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1001
		e1000_read_eeprom(hw,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1002
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1003
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1004
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1005
	if (eeprom_data & eeprom_apme_mask)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1006
		adapter->eeprom_wol |= E1000_WUFC_MAG;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1007
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1008
	/* now that we have the eeprom settings, apply the special cases
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1009
	 * where the eeprom may be wrong or the board simply won't support
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1010
	 * wake on lan on a particular port */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1011
	switch (pdev->device) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1012
	case E1000_DEV_ID_82546GB_PCIE:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1013
		adapter->eeprom_wol = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1014
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1015
	case E1000_DEV_ID_82546EB_FIBER:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1016
	case E1000_DEV_ID_82546GB_FIBER:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1017
		/* Wake events only supported on port A for dual fiber
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1018
		 * regardless of eeprom setting */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1019
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1020
			adapter->eeprom_wol = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1021
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1022
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1023
		/* if quad port adapter, disable WoL on all but port A */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1024
		if (global_quad_port_a != 0)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1025
			adapter->eeprom_wol = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1026
		else
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1027
			adapter->quad_port_a = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1028
		/* Reset for multiple quad port adapters */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1029
		if (++global_quad_port_a == 4)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1030
			global_quad_port_a = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1031
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1032
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1033
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1034
	/* initialize the wol settings based on the eeprom settings */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1035
	adapter->wol = adapter->eeprom_wol;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1036
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1037
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1038
	/* print bus type/speed/width info */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1039
	DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1040
		((hw->bus_type == e1000_bus_type_pcix) ? "-X" : ""),
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1041
		((hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1042
		 (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1043
		 (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1044
		 (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1045
		((hw->bus_width == e1000_bus_width_64) ? "64-bit" : "32-bit"));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1046
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1047
	printk("%pM\n", netdev->dev_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1048
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1049
	/* reset the hardware with the new settings */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1050
	e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1051
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1052
	strcpy(netdev->name, "eth%d");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1053
	err = register_netdev(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1054
	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1055
		goto err_register;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1056
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1057
	/* carrier off reporting is important to ethtool even BEFORE open */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1058
	netif_carrier_off(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1059
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1060
	DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1061
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1062
	cards_found++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1063
	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1064
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1065
err_register:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1066
err_eeprom:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1067
	e1000_phy_hw_reset(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1068
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1069
	if (hw->flash_address)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1070
		iounmap(hw->flash_address);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1071
	kfree(adapter->tx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1072
	kfree(adapter->rx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1073
err_sw_init:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1074
	iounmap(hw->hw_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1075
err_ioremap:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1076
	free_netdev(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1077
err_alloc_etherdev:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1078
	pci_release_selected_regions(pdev, bars);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1079
err_pci_reg:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1080
err_dma:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1081
	pci_disable_device(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1082
	return err;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1083
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1084
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1085
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1086
 * e1000_remove - Device Removal Routine
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1087
 * @pdev: PCI device information struct
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1088
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1089
 * e1000_remove is called by the PCI subsystem to alert the driver
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1090
 * that it should release a PCI device.  The could be caused by a
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1091
 * Hot-Plug event, or because the driver is going to be removed from
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1092
 * memory.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1093
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1094
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1095
static void __devexit e1000_remove(struct pci_dev *pdev)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1096
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1097
	struct net_device *netdev = pci_get_drvdata(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1098
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1099
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1100
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1101
	set_bit(__E1000_DOWN, &adapter->flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1102
	del_timer_sync(&adapter->tx_fifo_stall_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1103
	del_timer_sync(&adapter->watchdog_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1104
	del_timer_sync(&adapter->phy_info_timer);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1105
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1106
	cancel_work_sync(&adapter->reset_task);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1107
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1108
	e1000_release_manageability(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1109
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1110
	unregister_netdev(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1111
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1112
	e1000_phy_hw_reset(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1113
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1114
	kfree(adapter->tx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1115
	kfree(adapter->rx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1116
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1117
	iounmap(hw->hw_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1118
	if (hw->flash_address)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1119
		iounmap(hw->flash_address);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1120
	pci_release_selected_regions(pdev, adapter->bars);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1121
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1122
	free_netdev(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1123
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1124
	pci_disable_device(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1125
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1126
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1127
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1128
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1129
 * @adapter: board private structure to initialize
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1130
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1131
 * e1000_sw_init initializes the Adapter private data structure.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1132
 * Fields are initialized based on PCI device information and
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1133
 * OS network device settings (MTU size).
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1134
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1135
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1136
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1137
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1138
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1139
	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1140
	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1141
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1142
	/* PCI config space info */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1143
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1144
	hw->vendor_id = pdev->vendor;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1145
	hw->device_id = pdev->device;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1146
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1147
	hw->subsystem_id = pdev->subsystem_device;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1148
	hw->revision_id = pdev->revision;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1149
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1150
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1151
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1152
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1153
	hw->max_frame_size = netdev->mtu +
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1154
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1155
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1156
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1157
	/* identify the MAC */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1158
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1159
	if (e1000_set_mac_type(hw)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1160
		DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1161
		return -EIO;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1162
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1163
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1164
	switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1165
	default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1166
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1167
	case e1000_82541:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1168
	case e1000_82547:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1169
	case e1000_82541_rev_2:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1170
	case e1000_82547_rev_2:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1171
		hw->phy_init_script = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1172
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1173
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1174
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1175
	e1000_set_media_type(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1176
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1177
	hw->wait_autoneg_complete = false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1178
	hw->tbi_compatibility_en = true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1179
	hw->adaptive_ifs = true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1180
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1181
	/* Copper options */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1182
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1183
	if (hw->media_type == e1000_media_type_copper) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1184
		hw->mdix = AUTO_ALL_MODES;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1185
		hw->disable_polarity_correction = false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1186
		hw->master_slave = E1000_MASTER_SLAVE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1187
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1188
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1189
	adapter->num_tx_queues = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1190
	adapter->num_rx_queues = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1191
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1192
	if (e1000_alloc_queues(adapter)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1193
		DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1194
		return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1195
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1196
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1197
	/* Explicitly disable IRQ since the NIC can be in any state. */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1198
	e1000_irq_disable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1199
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1200
	spin_lock_init(&adapter->stats_lock);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1201
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1202
	set_bit(__E1000_DOWN, &adapter->flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1203
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1204
	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1205
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1206
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1207
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1208
 * e1000_alloc_queues - Allocate memory for all rings
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1209
 * @adapter: board private structure to initialize
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1210
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1211
 * We allocate one ring per queue at run-time since we don't know the
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1212
 * number of queues at compile-time.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1213
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1214
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1215
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1216
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1217
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1218
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1219
	if (!adapter->tx_ring)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1220
		return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1221
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1222
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1223
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1224
	if (!adapter->rx_ring) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1225
		kfree(adapter->tx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1226
		return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1227
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1228
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1229
	return E1000_SUCCESS;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1230
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1231
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1232
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1233
 * e1000_open - Called when a network interface is made active
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1234
 * @netdev: network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1235
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1236
 * Returns 0 on success, negative value on failure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1237
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1238
 * The open entry point is called when a network interface is made
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1239
 * active by the system (IFF_UP).  At this point all resources needed
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1240
 * for transmit and receive operations are allocated, the interrupt
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1241
 * handler is registered with the OS, the watchdog timer is started,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1242
 * and the stack is notified that the interface is ready.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1243
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1244
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1245
static int e1000_open(struct net_device *netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1246
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1247
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1248
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1249
	int err;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1250
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1251
	/* disallow open during test */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1252
	if (test_bit(__E1000_TESTING, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1253
		return -EBUSY;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1254
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1255
	netif_carrier_off(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1256
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1257
	/* allocate transmit descriptors */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1258
	err = e1000_setup_all_tx_resources(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1259
	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1260
		goto err_setup_tx;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1261
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1262
	/* allocate receive descriptors */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1263
	err = e1000_setup_all_rx_resources(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1264
	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1265
		goto err_setup_rx;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1266
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1267
	e1000_power_up_phy(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1268
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1269
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1270
	if ((hw->mng_cookie.status &
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1271
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1272
		e1000_update_mng_vlan(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1273
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1274
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1275
	/* before we allocate an interrupt, we must be ready to handle it.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1276
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1277
	 * as soon as we call pci_request_irq, so we have to setup our
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1278
	 * clean_rx handler before we do so.  */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1279
	e1000_configure(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1280
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1281
	err = e1000_request_irq(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1282
	if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1283
		goto err_req_irq;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1284
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1285
	/* From here on the code is the same as e1000_up() */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1286
	clear_bit(__E1000_DOWN, &adapter->flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1287
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1288
	napi_enable(&adapter->napi);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1289
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1290
	e1000_irq_enable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1291
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1292
	netif_start_queue(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1293
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1294
	/* fire a link status change interrupt to start the watchdog */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1295
	ew32(ICS, E1000_ICS_LSC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1296
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1297
	return E1000_SUCCESS;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1298
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1299
err_req_irq:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1300
	e1000_power_down_phy(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1301
	e1000_free_all_rx_resources(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1302
err_setup_rx:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1303
	e1000_free_all_tx_resources(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1304
err_setup_tx:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1305
	e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1306
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1307
	return err;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1308
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1309
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1310
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1311
 * e1000_close - Disables a network interface
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1312
 * @netdev: network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1313
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1314
 * Returns 0, this is not allowed to fail
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1315
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1316
 * The close entry point is called when an interface is de-activated
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1317
 * by the OS.  The hardware is still under the drivers control, but
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1318
 * needs to be disabled.  A global MAC reset is issued to stop the
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1319
 * hardware, and all transmit and receive resources are freed.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1320
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1321
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1322
static int e1000_close(struct net_device *netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1323
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1324
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1325
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1326
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1327
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1328
	e1000_down(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1329
	e1000_power_down_phy(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1330
	e1000_free_irq(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1331
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1332
	e1000_free_all_tx_resources(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1333
	e1000_free_all_rx_resources(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1334
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1335
	/* kill manageability vlan ID if supported, but not if a vlan with
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1336
	 * the same ID is registered on the host OS (let 8021q kill it) */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1337
	if ((hw->mng_cookie.status &
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1338
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1339
	     !(adapter->vlgrp &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1340
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1341
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1342
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1343
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1344
	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1345
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1346
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1347
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1348
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1349
 * @adapter: address of board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1350
 * @start: address of beginning of memory
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1351
 * @len: length of memory
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1352
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1353
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1354
				  unsigned long len)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1355
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1356
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1357
	unsigned long begin = (unsigned long)start;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1358
	unsigned long end = begin + len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1359
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1360
	/* First rev 82545 and 82546 need to not allow any memory
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1361
	 * write location to cross 64k boundary due to errata 23 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1362
	if (hw->mac_type == e1000_82545 ||
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1363
	    hw->mac_type == e1000_82546) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1364
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1365
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1366
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1367
	return true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1368
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1369
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1370
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1371
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1372
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1373
 * @txdr:    tx descriptor ring (for a specific queue) to setup
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1374
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1375
 * Return 0 on success, negative on failure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1376
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1377
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1378
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1379
				    struct e1000_tx_ring *txdr)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1380
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1381
	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1382
	int size;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1383
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1384
	size = sizeof(struct e1000_buffer) * txdr->count;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1385
	txdr->buffer_info = vmalloc(size);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1386
	if (!txdr->buffer_info) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1387
		DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1388
		"Unable to allocate memory for the transmit descriptor ring\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1389
		return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1390
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1391
	memset(txdr->buffer_info, 0, size);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1392
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1393
	/* round up to nearest 4K */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1394
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1395
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1396
	txdr->size = ALIGN(txdr->size, 4096);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1397
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1398
	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1399
	if (!txdr->desc) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1400
setup_tx_desc_die:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1401
		vfree(txdr->buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1402
		DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1403
		"Unable to allocate memory for the transmit descriptor ring\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1404
		return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1405
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1406
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1407
	/* Fix for errata 23, can't cross 64kB boundary */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1408
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1409
		void *olddesc = txdr->desc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1410
		dma_addr_t olddma = txdr->dma;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1411
		DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1412
				     "at %p\n", txdr->size, txdr->desc);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1413
		/* Try again, without freeing the previous */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1414
		txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1415
		/* Failed allocation, critical failure */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1416
		if (!txdr->desc) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1417
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1418
			goto setup_tx_desc_die;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1419
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1420
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1421
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1422
			/* give up */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1423
			pci_free_consistent(pdev, txdr->size, txdr->desc,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1424
					    txdr->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1425
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1426
			DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1427
				"Unable to allocate aligned memory "
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1428
				"for the transmit descriptor ring\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1429
			vfree(txdr->buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1430
			return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1431
		} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1432
			/* Free old allocation, new allocation was successful */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1433
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1434
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1435
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1436
	memset(txdr->desc, 0, txdr->size);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1437
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1438
	txdr->next_to_use = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1439
	txdr->next_to_clean = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1440
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1441
	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1442
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1443
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1444
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1445
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1446
 * 				  (Descriptors) for all queues
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1447
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1448
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1449
 * Return 0 on success, negative on failure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1450
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1451
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1452
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1453
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1454
	int i, err = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1455
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1456
	for (i = 0; i < adapter->num_tx_queues; i++) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1457
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1458
		if (err) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1459
			DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1460
				"Allocation for Tx Queue %u failed\n", i);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1461
			for (i-- ; i >= 0; i--)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1462
				e1000_free_tx_resources(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1463
							&adapter->tx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1464
			break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1465
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1466
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1467
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1468
	return err;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1469
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1470
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1471
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1472
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1473
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1474
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1475
 * Configure the Tx unit of the MAC after a reset.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1476
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1477
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1478
static void e1000_configure_tx(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1479
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1480
	u64 tdba;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1481
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1482
	u32 tdlen, tctl, tipg;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1483
	u32 ipgr1, ipgr2;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1484
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1485
	/* Setup the HW Tx Head and Tail descriptor pointers */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1486
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1487
	switch (adapter->num_tx_queues) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1488
	case 1:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1489
	default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1490
		tdba = adapter->tx_ring[0].dma;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1491
		tdlen = adapter->tx_ring[0].count *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1492
			sizeof(struct e1000_tx_desc);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1493
		ew32(TDLEN, tdlen);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1494
		ew32(TDBAH, (tdba >> 32));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1495
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1496
		ew32(TDT, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1497
		ew32(TDH, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1498
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1499
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1500
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1501
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1502
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1503
	/* Set the default values for the Tx Inter Packet Gap timer */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1504
	if ((hw->media_type == e1000_media_type_fiber ||
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1505
	     hw->media_type == e1000_media_type_internal_serdes))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1506
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1507
	else
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1508
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1509
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1510
	switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1511
	case e1000_82542_rev2_0:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1512
	case e1000_82542_rev2_1:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1513
		tipg = DEFAULT_82542_TIPG_IPGT;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1514
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1515
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1516
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1517
	default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1518
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1519
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1520
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1521
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1522
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1523
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1524
	ew32(TIPG, tipg);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1525
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1526
	/* Set the Tx Interrupt Delay register */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1527
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1528
	ew32(TIDV, adapter->tx_int_delay);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1529
	if (hw->mac_type >= e1000_82540)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1530
		ew32(TADV, adapter->tx_abs_int_delay);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1531
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1532
	/* Program the Transmit Control Register */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1533
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1534
	tctl = er32(TCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1535
	tctl &= ~E1000_TCTL_CT;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1536
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1537
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1538
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1539
	e1000_config_collision_dist(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1540
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1541
	/* Setup Transmit Descriptor Settings for eop descriptor */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1542
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1543
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1544
	/* only set IDE if we are delaying interrupts using the timers */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1545
	if (adapter->tx_int_delay)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1546
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1547
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1548
	if (hw->mac_type < e1000_82543)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1549
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1550
	else
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1551
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1552
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1553
	/* Cache if we're 82544 running in PCI-X because we'll
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1554
	 * need this to apply a workaround later in the send path. */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1555
	if (hw->mac_type == e1000_82544 &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1556
	    hw->bus_type == e1000_bus_type_pcix)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1557
		adapter->pcix_82544 = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1558
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1559
	ew32(TCTL, tctl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1560
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1561
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1562
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1563
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1564
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1565
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1566
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1567
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1568
 * Returns 0 on success, negative on failure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1569
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1570
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1571
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1572
				    struct e1000_rx_ring *rxdr)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1573
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1574
	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1575
	int size, desc_len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1576
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1577
	size = sizeof(struct e1000_buffer) * rxdr->count;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1578
	rxdr->buffer_info = vmalloc(size);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1579
	if (!rxdr->buffer_info) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1580
		DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1581
		"Unable to allocate memory for the receive descriptor ring\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1582
		return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1583
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1584
	memset(rxdr->buffer_info, 0, size);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1585
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1586
	desc_len = sizeof(struct e1000_rx_desc);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1587
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1588
	/* Round up to nearest 4K */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1589
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1590
	rxdr->size = rxdr->count * desc_len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1591
	rxdr->size = ALIGN(rxdr->size, 4096);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1592
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1593
	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1594
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1595
	if (!rxdr->desc) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1596
		DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1597
		"Unable to allocate memory for the receive descriptor ring\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1598
setup_rx_desc_die:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1599
		vfree(rxdr->buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1600
		return -ENOMEM;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1601
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1602
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1603
	/* Fix for errata 23, can't cross 64kB boundary */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1604
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1605
		void *olddesc = rxdr->desc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1606
		dma_addr_t olddma = rxdr->dma;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1607
		DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1608
				     "at %p\n", rxdr->size, rxdr->desc);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1609
		/* Try again, without freeing the previous */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1610
		rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1611
		/* Failed allocation, critical failure */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1612
		if (!rxdr->desc) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1613
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1614
			DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1615
				"Unable to allocate memory "
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1616
				"for the receive descriptor ring\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1617
			goto setup_rx_desc_die;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1618
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1619
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1620
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1621
			/* give up */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1622
			pci_free_consistent(pdev, rxdr->size, rxdr->desc,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1623
					    rxdr->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1624
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1625
			DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1626
				"Unable to allocate aligned memory "
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1627
				"for the receive descriptor ring\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1628
			goto setup_rx_desc_die;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1629
		} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1630
			/* Free old allocation, new allocation was successful */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1631
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1632
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1633
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1634
	memset(rxdr->desc, 0, rxdr->size);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1635
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1636
	rxdr->next_to_clean = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1637
	rxdr->next_to_use = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1638
	rxdr->rx_skb_top = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1639
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1640
	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1641
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1642
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1643
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1644
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1645
 * 				  (Descriptors) for all queues
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1646
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1647
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1648
 * Return 0 on success, negative on failure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1649
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1650
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1651
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1652
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1653
	int i, err = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1654
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1655
	for (i = 0; i < adapter->num_rx_queues; i++) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1656
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1657
		if (err) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1658
			DPRINTK(PROBE, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1659
				"Allocation for Rx Queue %u failed\n", i);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1660
			for (i-- ; i >= 0; i--)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1661
				e1000_free_rx_resources(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1662
							&adapter->rx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1663
			break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1664
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1665
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1666
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1667
	return err;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1668
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1669
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1670
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1671
 * e1000_setup_rctl - configure the receive control registers
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1672
 * @adapter: Board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1673
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1674
static void e1000_setup_rctl(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1675
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1676
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1677
	u32 rctl;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1678
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1679
	rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1680
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1681
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1682
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1683
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1684
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1685
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1686
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1687
	if (hw->tbi_compatibility_on == 1)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1688
		rctl |= E1000_RCTL_SBP;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1689
	else
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1690
		rctl &= ~E1000_RCTL_SBP;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1691
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1692
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1693
		rctl &= ~E1000_RCTL_LPE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1694
	else
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1695
		rctl |= E1000_RCTL_LPE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1696
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1697
	/* Setup buffer sizes */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1698
	rctl &= ~E1000_RCTL_SZ_4096;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1699
	rctl |= E1000_RCTL_BSEX;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1700
	switch (adapter->rx_buffer_len) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1701
		case E1000_RXBUFFER_2048:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1702
		default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1703
			rctl |= E1000_RCTL_SZ_2048;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1704
			rctl &= ~E1000_RCTL_BSEX;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1705
			break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1706
		case E1000_RXBUFFER_4096:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1707
			rctl |= E1000_RCTL_SZ_4096;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1708
			break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1709
		case E1000_RXBUFFER_8192:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1710
			rctl |= E1000_RCTL_SZ_8192;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1711
			break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1712
		case E1000_RXBUFFER_16384:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1713
			rctl |= E1000_RCTL_SZ_16384;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1714
			break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1715
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1716
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1717
	ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1718
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1719
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1720
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1721
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1722
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1723
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1724
 * Configure the Rx unit of the MAC after a reset.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1725
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1726
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1727
static void e1000_configure_rx(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1728
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1729
	u64 rdba;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1730
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1731
	u32 rdlen, rctl, rxcsum;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1732
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1733
	if (adapter->netdev->mtu > ETH_DATA_LEN) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1734
		rdlen = adapter->rx_ring[0].count *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1735
		        sizeof(struct e1000_rx_desc);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1736
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1737
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1738
	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1739
		rdlen = adapter->rx_ring[0].count *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1740
		        sizeof(struct e1000_rx_desc);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1741
		adapter->clean_rx = e1000_clean_rx_irq;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1742
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1743
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1744
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1745
	/* disable receives while setting up the descriptors */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1746
	rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1747
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1748
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1749
	/* set the Receive Delay Timer Register */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1750
	ew32(RDTR, adapter->rx_int_delay);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1751
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1752
	if (hw->mac_type >= e1000_82540) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1753
		ew32(RADV, adapter->rx_abs_int_delay);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1754
		if (adapter->itr_setting != 0)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1755
			ew32(ITR, 1000000000 / (adapter->itr * 256));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1756
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1757
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1758
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1759
	 * the Base and Length of the Rx Descriptor Ring */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1760
	switch (adapter->num_rx_queues) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1761
	case 1:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1762
	default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1763
		rdba = adapter->rx_ring[0].dma;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1764
		ew32(RDLEN, rdlen);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1765
		ew32(RDBAH, (rdba >> 32));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1766
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1767
		ew32(RDT, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1768
		ew32(RDH, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1769
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1770
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1771
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1772
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1773
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1774
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1775
	if (hw->mac_type >= e1000_82543) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1776
		rxcsum = er32(RXCSUM);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1777
		if (adapter->rx_csum)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1778
			rxcsum |= E1000_RXCSUM_TUOFL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1779
		else
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1780
			/* don't need to clear IPPCSE as it defaults to 0 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1781
			rxcsum &= ~E1000_RXCSUM_TUOFL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1782
		ew32(RXCSUM, rxcsum);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1783
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1784
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1785
	/* Enable Receives */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1786
	ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1787
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1788
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1789
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1790
 * e1000_free_tx_resources - Free Tx Resources per Queue
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1791
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1792
 * @tx_ring: Tx descriptor ring for a specific queue
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1793
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1794
 * Free all transmit software resources
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1795
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1796
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1797
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1798
				    struct e1000_tx_ring *tx_ring)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1799
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1800
	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1801
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1802
	e1000_clean_tx_ring(adapter, tx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1803
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1804
	vfree(tx_ring->buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1805
	tx_ring->buffer_info = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1806
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1807
	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1808
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1809
	tx_ring->desc = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1810
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1811
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1812
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1813
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1814
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1815
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1816
 * Free all transmit software resources
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1817
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1818
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1819
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1820
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1821
	int i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1822
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1823
	for (i = 0; i < adapter->num_tx_queues; i++)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1824
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1825
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1826
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1827
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1828
					     struct e1000_buffer *buffer_info)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1829
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1830
	if (buffer_info->dma) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1831
		if (buffer_info->mapped_as_page)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1832
			pci_unmap_page(adapter->pdev, buffer_info->dma,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1833
				       buffer_info->length, PCI_DMA_TODEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1834
		else
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1835
			pci_unmap_single(adapter->pdev,	buffer_info->dma,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1836
					 buffer_info->length,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1837
					 PCI_DMA_TODEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1838
		buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1839
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1840
	if (buffer_info->skb) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1841
		dev_kfree_skb_any(buffer_info->skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1842
		buffer_info->skb = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1843
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1844
	buffer_info->time_stamp = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1845
	/* buffer_info must be completely set up in the transmit path */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1846
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1847
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1848
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1849
 * e1000_clean_tx_ring - Free Tx Buffers
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1850
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1851
 * @tx_ring: ring to be cleaned
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1852
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1853
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1854
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1855
				struct e1000_tx_ring *tx_ring)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1856
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1857
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1858
	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1859
	unsigned long size;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1860
	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1861
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1862
	/* Free all the Tx ring sk_buffs */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1863
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1864
	for (i = 0; i < tx_ring->count; i++) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1865
		buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1866
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1867
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1868
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1869
	size = sizeof(struct e1000_buffer) * tx_ring->count;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1870
	memset(tx_ring->buffer_info, 0, size);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1871
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1872
	/* Zero out the descriptor ring */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1873
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1874
	memset(tx_ring->desc, 0, tx_ring->size);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1875
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1876
	tx_ring->next_to_use = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1877
	tx_ring->next_to_clean = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1878
	tx_ring->last_tx_tso = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1879
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1880
	writel(0, hw->hw_addr + tx_ring->tdh);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1881
	writel(0, hw->hw_addr + tx_ring->tdt);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1882
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1883
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1884
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1885
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1886
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1887
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1888
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1889
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1890
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1891
	int i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1892
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1893
	for (i = 0; i < adapter->num_tx_queues; i++)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1894
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1895
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1896
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1897
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1898
 * e1000_free_rx_resources - Free Rx Resources
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1899
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1900
 * @rx_ring: ring to clean the resources from
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1901
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1902
 * Free all receive software resources
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1903
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1904
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1905
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1906
				    struct e1000_rx_ring *rx_ring)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1907
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1908
	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1909
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1910
	e1000_clean_rx_ring(adapter, rx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1911
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1912
	vfree(rx_ring->buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1913
	rx_ring->buffer_info = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1914
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1915
	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1916
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1917
	rx_ring->desc = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1918
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1919
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1920
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1921
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1922
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1923
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1924
 * Free all receive software resources
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1925
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1926
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1927
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1928
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1929
	int i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1930
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1931
	for (i = 0; i < adapter->num_rx_queues; i++)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1932
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1933
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1934
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1935
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1936
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1937
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1938
 * @rx_ring: ring to free buffers from
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1939
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1940
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1941
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1942
				struct e1000_rx_ring *rx_ring)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1943
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1944
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1945
	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1946
	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1947
	unsigned long size;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1948
	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1949
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1950
	/* Free all the Rx ring sk_buffs */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1951
	for (i = 0; i < rx_ring->count; i++) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1952
		buffer_info = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1953
		if (buffer_info->dma &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1954
		    adapter->clean_rx == e1000_clean_rx_irq) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1955
			pci_unmap_single(pdev, buffer_info->dma,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1956
			                 buffer_info->length,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1957
			                 PCI_DMA_FROMDEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1958
		} else if (buffer_info->dma &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1959
		           adapter->clean_rx == e1000_clean_jumbo_rx_irq) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1960
			pci_unmap_page(pdev, buffer_info->dma,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1961
			               buffer_info->length,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1962
			               PCI_DMA_FROMDEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1963
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1964
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1965
		buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1966
		if (buffer_info->page) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1967
			put_page(buffer_info->page);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1968
			buffer_info->page = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1969
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1970
		if (buffer_info->skb) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1971
			dev_kfree_skb(buffer_info->skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1972
			buffer_info->skb = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1973
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1974
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1975
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1976
	/* there also may be some cached data from a chained receive */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1977
	if (rx_ring->rx_skb_top) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1978
		dev_kfree_skb(rx_ring->rx_skb_top);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1979
		rx_ring->rx_skb_top = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1980
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1981
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1982
	size = sizeof(struct e1000_buffer) * rx_ring->count;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1983
	memset(rx_ring->buffer_info, 0, size);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1984
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1985
	/* Zero out the descriptor ring */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1986
	memset(rx_ring->desc, 0, rx_ring->size);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1987
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1988
	rx_ring->next_to_clean = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1989
	rx_ring->next_to_use = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1990
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1991
	writel(0, hw->hw_addr + rx_ring->rdh);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1992
	writel(0, hw->hw_addr + rx_ring->rdt);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1993
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1994
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1995
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1996
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1997
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1998
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1999
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2000
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2001
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2002
	int i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2003
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2004
	for (i = 0; i < adapter->num_rx_queues; i++)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2005
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2006
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2007
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2008
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2009
 * and memory write and invalidate disabled for certain operations
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2010
 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2011
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2012
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2013
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2014
	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2015
	u32 rctl;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2016
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2017
	e1000_pci_clear_mwi(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2018
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2019
	rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2020
	rctl |= E1000_RCTL_RST;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2021
	ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2022
	E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2023
	mdelay(5);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2024
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2025
	if (netif_running(netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2026
		e1000_clean_all_rx_rings(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2027
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2028
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2029
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2030
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2031
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2032
	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2033
	u32 rctl;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2034
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2035
	rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2036
	rctl &= ~E1000_RCTL_RST;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2037
	ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2038
	E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2039
	mdelay(5);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2040
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2041
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2042
		e1000_pci_set_mwi(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2043
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2044
	if (netif_running(netdev)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2045
		/* No need to loop, because 82542 supports only 1 queue */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2046
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2047
		e1000_configure_rx(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2048
		adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2049
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2050
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2051
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2052
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2053
 * e1000_set_mac - Change the Ethernet Address of the NIC
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2054
 * @netdev: network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2055
 * @p: pointer to an address structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2056
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2057
 * Returns 0 on success, negative on failure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2058
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2059
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2060
static int e1000_set_mac(struct net_device *netdev, void *p)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2061
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2062
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2063
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2064
	struct sockaddr *addr = p;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2065
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2066
	if (!is_valid_ether_addr(addr->sa_data))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2067
		return -EADDRNOTAVAIL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2068
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2069
	/* 82542 2.0 needs to be in reset to write receive address registers */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2070
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2071
	if (hw->mac_type == e1000_82542_rev2_0)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2072
		e1000_enter_82542_rst(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2073
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2074
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2075
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2076
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2077
	e1000_rar_set(hw, hw->mac_addr, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2078
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2079
	if (hw->mac_type == e1000_82542_rev2_0)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2080
		e1000_leave_82542_rst(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2081
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2082
	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2083
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2084
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2085
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2086
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2087
 * @netdev: network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2088
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2089
 * The set_rx_mode entry point is called whenever the unicast or multicast
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2090
 * address lists or the network interface flags are updated. This routine is
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2091
 * responsible for configuring the hardware for proper unicast, multicast,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2092
 * promiscuous mode, and all-multi behavior.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2093
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2094
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2095
static void e1000_set_rx_mode(struct net_device *netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2096
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2097
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2098
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2099
	struct netdev_hw_addr *ha;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2100
	bool use_uc = false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2101
	struct dev_addr_list *mc_ptr;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2102
	u32 rctl;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2103
	u32 hash_value;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2104
	int i, rar_entries = E1000_RAR_ENTRIES;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2105
	int mta_reg_count = E1000_NUM_MTA_REGISTERS;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2106
	u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2107
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2108
	if (!mcarray) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2109
		DPRINTK(PROBE, ERR, "memory allocation failed\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2110
		return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2111
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2112
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2113
	/* Check for Promiscuous and All Multicast modes */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2114
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2115
	rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2116
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2117
	if (netdev->flags & IFF_PROMISC) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2118
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2119
		rctl &= ~E1000_RCTL_VFE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2120
	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2121
		if (netdev->flags & IFF_ALLMULTI)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2122
			rctl |= E1000_RCTL_MPE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2123
		else
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2124
			rctl &= ~E1000_RCTL_MPE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2125
		/* Enable VLAN filter if there is a VLAN */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2126
		if (adapter->vlgrp)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2127
			rctl |= E1000_RCTL_VFE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2128
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2129
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2130
	if (netdev->uc.count > rar_entries - 1) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2131
		rctl |= E1000_RCTL_UPE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2132
	} else if (!(netdev->flags & IFF_PROMISC)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2133
		rctl &= ~E1000_RCTL_UPE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2134
		use_uc = true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2135
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2136
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2137
	ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2138
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2139
	/* 82542 2.0 needs to be in reset to write receive address registers */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2140
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2141
	if (hw->mac_type == e1000_82542_rev2_0)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2142
		e1000_enter_82542_rst(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2143
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2144
	/* load the first 14 addresses into the exact filters 1-14. Unicast
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2145
	 * addresses take precedence to avoid disabling unicast filtering
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2146
	 * when possible.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2147
	 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2148
	 * RAR 0 is used for the station MAC adddress
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2149
	 * if there are not 14 addresses, go ahead and clear the filters
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2150
	 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2151
	i = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2152
	if (use_uc)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2153
		list_for_each_entry(ha, &netdev->uc.list, list) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2154
			if (i == rar_entries)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2155
				break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2156
			e1000_rar_set(hw, ha->addr, i++);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2157
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2158
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2159
	WARN_ON(i == rar_entries);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2160
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2161
	mc_ptr = netdev->mc_list;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2162
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2163
	for (; i < rar_entries; i++) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2164
		if (mc_ptr) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2165
			e1000_rar_set(hw, mc_ptr->da_addr, i);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2166
			mc_ptr = mc_ptr->next;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2167
		} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2168
			E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2169
			E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2170
			E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2171
			E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2172
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2173
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2174
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2175
	/* load any remaining addresses into the hash table */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2176
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2177
	for (; mc_ptr; mc_ptr = mc_ptr->next) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2178
		u32 hash_reg, hash_bit, mta;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2179
		hash_value = e1000_hash_mc_addr(hw, mc_ptr->da_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2180
		hash_reg = (hash_value >> 5) & 0x7F;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2181
		hash_bit = hash_value & 0x1F;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2182
		mta = (1 << hash_bit);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2183
		mcarray[hash_reg] |= mta;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2184
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2185
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2186
	/* write the hash table completely, write from bottom to avoid
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2187
	 * both stupid write combining chipsets, and flushing each write */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2188
	for (i = mta_reg_count - 1; i >= 0 ; i--) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2189
		/*
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2190
		 * If we are on an 82544 has an errata where writing odd
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2191
		 * offsets overwrites the previous even offset, but writing
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2192
		 * backwards over the range solves the issue by always
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2193
		 * writing the odd offset first
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2194
		 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2195
		E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2196
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2197
	E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2198
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2199
	if (hw->mac_type == e1000_82542_rev2_0)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2200
		e1000_leave_82542_rst(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2201
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2202
	kfree(mcarray);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2203
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2204
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2205
/* Need to wait a few seconds after link up to get diagnostic information from
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2206
 * the phy */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2207
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2208
static void e1000_update_phy_info(unsigned long data)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2209
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2210
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2211
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2212
	e1000_phy_get_info(hw, &adapter->phy_info);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2213
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2214
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2215
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2216
 * e1000_82547_tx_fifo_stall - Timer Call-back
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2217
 * @data: pointer to adapter cast into an unsigned long
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2218
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2219
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2220
static void e1000_82547_tx_fifo_stall(unsigned long data)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2221
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2222
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2223
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2224
	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2225
	u32 tctl;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2226
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2227
	if (atomic_read(&adapter->tx_fifo_stall)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2228
		if ((er32(TDT) == er32(TDH)) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2229
		   (er32(TDFT) == er32(TDFH)) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2230
		   (er32(TDFTS) == er32(TDFHS))) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2231
			tctl = er32(TCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2232
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2233
			ew32(TDFT, adapter->tx_head_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2234
			ew32(TDFH, adapter->tx_head_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2235
			ew32(TDFTS, adapter->tx_head_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2236
			ew32(TDFHS, adapter->tx_head_addr);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2237
			ew32(TCTL, tctl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2238
			E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2239
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2240
			adapter->tx_fifo_head = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2241
			atomic_set(&adapter->tx_fifo_stall, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2242
			netif_wake_queue(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2243
		} else if (!test_bit(__E1000_DOWN, &adapter->flags)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2244
			mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2245
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2246
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2247
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2248
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2249
static bool e1000_has_link(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2250
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2251
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2252
	bool link_active = false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2253
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2254
	/* get_link_status is set on LSC (link status) interrupt or
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2255
	 * rx sequence error interrupt.  get_link_status will stay
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2256
	 * false until the e1000_check_for_link establishes link
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2257
	 * for copper adapters ONLY
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2258
	 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2259
	switch (hw->media_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2260
	case e1000_media_type_copper:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2261
		if (hw->get_link_status) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2262
			e1000_check_for_link(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2263
			link_active = !hw->get_link_status;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2264
		} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2265
			link_active = true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2266
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2267
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2268
	case e1000_media_type_fiber:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2269
		e1000_check_for_link(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2270
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2271
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2272
	case e1000_media_type_internal_serdes:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2273
		e1000_check_for_link(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2274
		link_active = hw->serdes_has_link;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2275
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2276
	default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2277
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2278
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2279
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2280
	return link_active;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2281
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2282
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2283
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2284
 * e1000_watchdog - Timer Call-back
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2285
 * @data: pointer to adapter cast into an unsigned long
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2286
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2287
static void e1000_watchdog(unsigned long data)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2288
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2289
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2290
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2291
	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2292
	struct e1000_tx_ring *txdr = adapter->tx_ring;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2293
	u32 link, tctl;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2294
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2295
	link = e1000_has_link(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2296
	if ((netif_carrier_ok(netdev)) && link)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2297
		goto link_up;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2298
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2299
	if (link) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2300
		if (!netif_carrier_ok(netdev)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2301
			u32 ctrl;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2302
			bool txb2b = true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2303
			/* update snapshot of PHY registers on LSC */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2304
			e1000_get_speed_and_duplex(hw,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2305
			                           &adapter->link_speed,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2306
			                           &adapter->link_duplex);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2307
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2308
			ctrl = er32(CTRL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2309
			printk(KERN_INFO "e1000: %s NIC Link is Up %d Mbps %s, "
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2310
			       "Flow Control: %s\n",
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2311
			       netdev->name,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2312
			       adapter->link_speed,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2313
			       adapter->link_duplex == FULL_DUPLEX ?
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2314
			        "Full Duplex" : "Half Duplex",
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2315
			        ((ctrl & E1000_CTRL_TFCE) && (ctrl &
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2316
			        E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2317
			        E1000_CTRL_RFCE) ? "RX" : ((ctrl &
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2318
			        E1000_CTRL_TFCE) ? "TX" : "None" )));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2319
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2320
			/* tweak tx_queue_len according to speed/duplex
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2321
			 * and adjust the timeout factor */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2322
			netdev->tx_queue_len = adapter->tx_queue_len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2323
			adapter->tx_timeout_factor = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2324
			switch (adapter->link_speed) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2325
			case SPEED_10:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2326
				txb2b = false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2327
				netdev->tx_queue_len = 10;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2328
				adapter->tx_timeout_factor = 16;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2329
				break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2330
			case SPEED_100:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2331
				txb2b = false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2332
				netdev->tx_queue_len = 100;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2333
				/* maybe add some timeout factor ? */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2334
				break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2335
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2336
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2337
			/* enable transmits in the hardware */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2338
			tctl = er32(TCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2339
			tctl |= E1000_TCTL_EN;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2340
			ew32(TCTL, tctl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2341
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2342
			netif_carrier_on(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2343
			if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2344
				mod_timer(&adapter->phy_info_timer,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2345
				          round_jiffies(jiffies + 2 * HZ));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2346
			adapter->smartspeed = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2347
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2348
	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2349
		if (netif_carrier_ok(netdev)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2350
			adapter->link_speed = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2351
			adapter->link_duplex = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2352
			printk(KERN_INFO "e1000: %s NIC Link is Down\n",
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2353
			       netdev->name);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2354
			netif_carrier_off(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2355
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2356
			if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2357
				mod_timer(&adapter->phy_info_timer,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2358
				          round_jiffies(jiffies + 2 * HZ));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2359
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2360
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2361
		e1000_smartspeed(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2362
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2363
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2364
link_up:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2365
	e1000_update_stats(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2366
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2367
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2368
	adapter->tpt_old = adapter->stats.tpt;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2369
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2370
	adapter->colc_old = adapter->stats.colc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2371
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2372
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2373
	adapter->gorcl_old = adapter->stats.gorcl;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2374
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2375
	adapter->gotcl_old = adapter->stats.gotcl;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2376
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2377
	e1000_update_adaptive(hw);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2378
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2379
	if (!netif_carrier_ok(netdev)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2380
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2381
			/* We've lost link, so the controller stops DMA,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2382
			 * but we've got queued Tx work that's never going
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2383
			 * to get done, so reset controller to flush Tx.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2384
			 * (Do the reset outside of interrupt context). */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2385
			adapter->tx_timeout_count++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2386
			schedule_work(&adapter->reset_task);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2387
			/* return immediately since reset is imminent */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2388
			return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2389
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2390
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2391
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2392
	/* Cause software interrupt to ensure rx ring is cleaned */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2393
	ew32(ICS, E1000_ICS_RXDMT0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2394
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2395
	/* Force detection of hung controller every watchdog period */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2396
	adapter->detect_tx_hung = true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2397
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2398
	/* Reset the timer */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2399
	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2400
		mod_timer(&adapter->watchdog_timer,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2401
		          round_jiffies(jiffies + 2 * HZ));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2402
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2403
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2404
enum latency_range {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2405
	lowest_latency = 0,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2406
	low_latency = 1,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2407
	bulk_latency = 2,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2408
	latency_invalid = 255
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2409
};
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2410
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2411
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2412
 * e1000_update_itr - update the dynamic ITR value based on statistics
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2413
 * @adapter: pointer to adapter
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2414
 * @itr_setting: current adapter->itr
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2415
 * @packets: the number of packets during this measurement interval
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2416
 * @bytes: the number of bytes during this measurement interval
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2417
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2418
 *      Stores a new ITR value based on packets and byte
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2419
 *      counts during the last interrupt.  The advantage of per interrupt
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2420
 *      computation is faster updates and more accurate ITR for the current
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2421
 *      traffic pattern.  Constants in this function were computed
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2422
 *      based on theoretical maximum wire speed and thresholds were set based
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2423
 *      on testing data as well as attempting to minimize response time
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2424
 *      while increasing bulk throughput.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2425
 *      this functionality is controlled by the InterruptThrottleRate module
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2426
 *      parameter (see e1000_param.c)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2427
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2428
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2429
				     u16 itr_setting, int packets, int bytes)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2430
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2431
	unsigned int retval = itr_setting;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2432
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2433
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2434
	if (unlikely(hw->mac_type < e1000_82540))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2435
		goto update_itr_done;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2436
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2437
	if (packets == 0)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2438
		goto update_itr_done;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2439
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2440
	switch (itr_setting) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2441
	case lowest_latency:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2442
		/* jumbo frames get bulk treatment*/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2443
		if (bytes/packets > 8000)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2444
			retval = bulk_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2445
		else if ((packets < 5) && (bytes > 512))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2446
			retval = low_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2447
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2448
	case low_latency:  /* 50 usec aka 20000 ints/s */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2449
		if (bytes > 10000) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2450
			/* jumbo frames need bulk latency setting */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2451
			if (bytes/packets > 8000)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2452
				retval = bulk_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2453
			else if ((packets < 10) || ((bytes/packets) > 1200))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2454
				retval = bulk_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2455
			else if ((packets > 35))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2456
				retval = lowest_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2457
		} else if (bytes/packets > 2000)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2458
			retval = bulk_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2459
		else if (packets <= 2 && bytes < 512)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2460
			retval = lowest_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2461
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2462
	case bulk_latency: /* 250 usec aka 4000 ints/s */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2463
		if (bytes > 25000) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2464
			if (packets > 35)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2465
				retval = low_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2466
		} else if (bytes < 6000) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2467
			retval = low_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2468
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2469
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2470
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2471
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2472
update_itr_done:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2473
	return retval;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2474
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2475
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2476
static void e1000_set_itr(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2477
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2478
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2479
	u16 current_itr;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2480
	u32 new_itr = adapter->itr;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2481
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2482
	if (unlikely(hw->mac_type < e1000_82540))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2483
		return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2484
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2485
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2486
	if (unlikely(adapter->link_speed != SPEED_1000)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2487
		current_itr = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2488
		new_itr = 4000;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2489
		goto set_itr_now;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2490
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2491
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2492
	adapter->tx_itr = e1000_update_itr(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2493
	                            adapter->tx_itr,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2494
	                            adapter->total_tx_packets,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2495
	                            adapter->total_tx_bytes);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2496
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2497
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2498
		adapter->tx_itr = low_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2499
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2500
	adapter->rx_itr = e1000_update_itr(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2501
	                            adapter->rx_itr,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2502
	                            adapter->total_rx_packets,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2503
	                            adapter->total_rx_bytes);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2504
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2505
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2506
		adapter->rx_itr = low_latency;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2507
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2508
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2509
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2510
	switch (current_itr) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2511
	/* counts and packets in update_itr are dependent on these numbers */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2512
	case lowest_latency:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2513
		new_itr = 70000;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2514
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2515
	case low_latency:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2516
		new_itr = 20000; /* aka hwitr = ~200 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2517
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2518
	case bulk_latency:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2519
		new_itr = 4000;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2520
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2521
	default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2522
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2523
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2524
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2525
set_itr_now:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2526
	if (new_itr != adapter->itr) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2527
		/* this attempts to bias the interrupt rate towards Bulk
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2528
		 * by adding intermediate steps when interrupt rate is
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2529
		 * increasing */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2530
		new_itr = new_itr > adapter->itr ?
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2531
		             min(adapter->itr + (new_itr >> 2), new_itr) :
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2532
		             new_itr;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2533
		adapter->itr = new_itr;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2534
		ew32(ITR, 1000000000 / (new_itr * 256));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2535
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2536
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2537
	return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2538
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2539
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2540
#define E1000_TX_FLAGS_CSUM		0x00000001
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2541
#define E1000_TX_FLAGS_VLAN		0x00000002
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2542
#define E1000_TX_FLAGS_TSO		0x00000004
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2543
#define E1000_TX_FLAGS_IPV4		0x00000008
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2544
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2545
#define E1000_TX_FLAGS_VLAN_SHIFT	16
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2546
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2547
static int e1000_tso(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2548
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2549
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2550
	struct e1000_context_desc *context_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2551
	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2552
	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2553
	u32 cmd_length = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2554
	u16 ipcse = 0, tucse, mss;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2555
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2556
	int err;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2557
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2558
	if (skb_is_gso(skb)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2559
		if (skb_header_cloned(skb)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2560
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2561
			if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2562
				return err;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2563
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2564
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2565
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2566
		mss = skb_shinfo(skb)->gso_size;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2567
		if (skb->protocol == htons(ETH_P_IP)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2568
			struct iphdr *iph = ip_hdr(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2569
			iph->tot_len = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2570
			iph->check = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2571
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2572
								 iph->daddr, 0,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2573
								 IPPROTO_TCP,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2574
								 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2575
			cmd_length = E1000_TXD_CMD_IP;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2576
			ipcse = skb_transport_offset(skb) - 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2577
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2578
			ipv6_hdr(skb)->payload_len = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2579
			tcp_hdr(skb)->check =
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2580
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2581
						 &ipv6_hdr(skb)->daddr,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2582
						 0, IPPROTO_TCP, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2583
			ipcse = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2584
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2585
		ipcss = skb_network_offset(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2586
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2587
		tucss = skb_transport_offset(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2588
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2589
		tucse = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2590
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2591
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2592
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2593
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2594
		i = tx_ring->next_to_use;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2595
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2596
		buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2597
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2598
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2599
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2600
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2601
		context_desc->upper_setup.tcp_fields.tucss = tucss;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2602
		context_desc->upper_setup.tcp_fields.tucso = tucso;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2603
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2604
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2605
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2606
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2607
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2608
		buffer_info->time_stamp = jiffies;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2609
		buffer_info->next_to_watch = i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2610
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2611
		if (++i == tx_ring->count) i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2612
		tx_ring->next_to_use = i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2613
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2614
		return true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2615
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2616
	return false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2617
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2618
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2619
static bool e1000_tx_csum(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2620
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2621
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2622
	struct e1000_context_desc *context_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2623
	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2624
	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2625
	u8 css;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2626
	u32 cmd_len = E1000_TXD_CMD_DEXT;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2627
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2628
	if (skb->ip_summed != CHECKSUM_PARTIAL)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2629
		return false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2630
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2631
	switch (skb->protocol) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2632
	case cpu_to_be16(ETH_P_IP):
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2633
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2634
			cmd_len |= E1000_TXD_CMD_TCP;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2635
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2636
	case cpu_to_be16(ETH_P_IPV6):
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2637
		/* XXX not handling all IPV6 headers */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2638
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2639
			cmd_len |= E1000_TXD_CMD_TCP;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2640
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2641
	default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2642
		if (unlikely(net_ratelimit()))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2643
			DPRINTK(DRV, WARNING,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2644
			        "checksum_partial proto=%x!\n", skb->protocol);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2645
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2646
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2647
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2648
	css = skb_transport_offset(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2649
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2650
	i = tx_ring->next_to_use;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2651
	buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2652
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2653
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2654
	context_desc->lower_setup.ip_config = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2655
	context_desc->upper_setup.tcp_fields.tucss = css;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2656
	context_desc->upper_setup.tcp_fields.tucso =
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2657
		css + skb->csum_offset;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2658
	context_desc->upper_setup.tcp_fields.tucse = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2659
	context_desc->tcp_seg_setup.data = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2660
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2661
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2662
	buffer_info->time_stamp = jiffies;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2663
	buffer_info->next_to_watch = i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2664
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2665
	if (unlikely(++i == tx_ring->count)) i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2666
	tx_ring->next_to_use = i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2667
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2668
	return true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2669
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2670
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2671
#define E1000_MAX_TXD_PWR	12
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2672
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2673
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2674
static int e1000_tx_map(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2675
			struct e1000_tx_ring *tx_ring,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2676
			struct sk_buff *skb, unsigned int first,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2677
			unsigned int max_per_txd, unsigned int nr_frags,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2678
			unsigned int mss)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2679
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2680
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2681
	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2682
	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2683
	unsigned int len = skb_headlen(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2684
	unsigned int offset = 0, size, count = 0, i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2685
	unsigned int f;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2686
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2687
	i = tx_ring->next_to_use;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2688
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2689
	while (len) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2690
		buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2691
		size = min(len, max_per_txd);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2692
		/* Workaround for Controller erratum --
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2693
		 * descriptor for non-tso packet in a linear SKB that follows a
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2694
		 * tso gets written back prematurely before the data is fully
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2695
		 * DMA'd to the controller */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2696
		if (!skb->data_len && tx_ring->last_tx_tso &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2697
		    !skb_is_gso(skb)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2698
			tx_ring->last_tx_tso = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2699
			size -= 4;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2700
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2701
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2702
		/* Workaround for premature desc write-backs
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2703
		 * in TSO mode.  Append 4-byte sentinel desc */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2704
		if (unlikely(mss && !nr_frags && size == len && size > 8))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2705
			size -= 4;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2706
		/* work-around for errata 10 and it applies
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2707
		 * to all controllers in PCI-X mode
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2708
		 * The fix is to make sure that the first descriptor of a
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2709
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2710
		 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2711
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2712
		                (size > 2015) && count == 0))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2713
		        size = 2015;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2714
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2715
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2716
		 * terminating buffers within evenly-aligned dwords. */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2717
		if (unlikely(adapter->pcix_82544 &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2718
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2719
		   size > 4))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2720
			size -= 4;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2721
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2722
		buffer_info->length = size;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2723
		/* set time_stamp *before* dma to help avoid a possible race */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2724
		buffer_info->time_stamp = jiffies;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2725
		buffer_info->mapped_as_page = false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2726
		buffer_info->dma = pci_map_single(pdev,	skb->data + offset,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2727
						  size,	PCI_DMA_TODEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2728
		if (pci_dma_mapping_error(pdev, buffer_info->dma))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2729
			goto dma_error;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2730
		buffer_info->next_to_watch = i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2731
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2732
		len -= size;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2733
		offset += size;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2734
		count++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2735
		if (len) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2736
			i++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2737
			if (unlikely(i == tx_ring->count))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2738
				i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2739
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2740
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2741
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2742
	for (f = 0; f < nr_frags; f++) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2743
		struct skb_frag_struct *frag;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2744
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2745
		frag = &skb_shinfo(skb)->frags[f];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2746
		len = frag->size;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2747
		offset = frag->page_offset;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2748
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2749
		while (len) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2750
			i++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2751
			if (unlikely(i == tx_ring->count))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2752
				i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2753
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2754
			buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2755
			size = min(len, max_per_txd);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2756
			/* Workaround for premature desc write-backs
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2757
			 * in TSO mode.  Append 4-byte sentinel desc */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2758
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2759
				size -= 4;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2760
			/* Workaround for potential 82544 hang in PCI-X.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2761
			 * Avoid terminating buffers within evenly-aligned
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2762
			 * dwords. */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2763
			if (unlikely(adapter->pcix_82544 &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2764
			    !((unsigned long)(page_to_phys(frag->page) + offset
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2765
			                      + size - 1) & 4) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2766
			    size > 4))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2767
				size -= 4;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2768
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2769
			buffer_info->length = size;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2770
			buffer_info->time_stamp = jiffies;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2771
			buffer_info->mapped_as_page = true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2772
			buffer_info->dma = pci_map_page(pdev, frag->page,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2773
							offset,	size,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2774
							PCI_DMA_TODEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2775
			if (pci_dma_mapping_error(pdev, buffer_info->dma))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2776
				goto dma_error;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2777
			buffer_info->next_to_watch = i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2778
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2779
			len -= size;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2780
			offset += size;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2781
			count++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2782
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2783
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2784
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2785
	tx_ring->buffer_info[i].skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2786
	tx_ring->buffer_info[first].next_to_watch = i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2787
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2788
	return count;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2789
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2790
dma_error:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2791
	dev_err(&pdev->dev, "TX DMA map failed\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2792
	buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2793
	if (count)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2794
		count--;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2795
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2796
	while (count--) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2797
		if (i==0)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2798
			i += tx_ring->count;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2799
		i--;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2800
		buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2801
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2802
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2803
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2804
	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2805
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2806
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2807
static void e1000_tx_queue(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2808
			   struct e1000_tx_ring *tx_ring, int tx_flags,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2809
			   int count)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2810
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2811
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2812
	struct e1000_tx_desc *tx_desc = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2813
	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2814
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2815
	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2816
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2817
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2818
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2819
		             E1000_TXD_CMD_TSE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2820
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2821
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2822
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2823
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2824
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2825
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2826
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2827
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2828
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2829
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2830
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2831
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2832
		txd_lower |= E1000_TXD_CMD_VLE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2833
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2834
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2835
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2836
	i = tx_ring->next_to_use;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2837
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2838
	while (count--) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2839
		buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2840
		tx_desc = E1000_TX_DESC(*tx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2841
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2842
		tx_desc->lower.data =
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2843
			cpu_to_le32(txd_lower | buffer_info->length);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2844
		tx_desc->upper.data = cpu_to_le32(txd_upper);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2845
		if (unlikely(++i == tx_ring->count)) i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2846
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2847
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2848
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2849
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2850
	/* Force memory writes to complete before letting h/w
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2851
	 * know there are new descriptors to fetch.  (Only
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2852
	 * applicable for weak-ordered memory model archs,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2853
	 * such as IA-64). */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2854
	wmb();
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2855
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2856
	tx_ring->next_to_use = i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2857
	writel(i, hw->hw_addr + tx_ring->tdt);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2858
	/* we need this if more than one processor can write to our tail
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2859
	 * at a time, it syncronizes IO on IA64/Altix systems */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2860
	mmiowb();
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2861
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2862
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2863
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2864
 * 82547 workaround to avoid controller hang in half-duplex environment.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2865
 * The workaround is to avoid queuing a large packet that would span
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2866
 * the internal Tx FIFO ring boundary by notifying the stack to resend
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2867
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2868
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2869
 * to the beginning of the Tx FIFO.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2870
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2871
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2872
#define E1000_FIFO_HDR			0x10
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2873
#define E1000_82547_PAD_LEN		0x3E0
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2874
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2875
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2876
				       struct sk_buff *skb)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2877
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2878
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2879
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2880
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2881
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2882
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2883
	if (adapter->link_duplex != HALF_DUPLEX)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2884
		goto no_fifo_stall_required;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2885
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2886
	if (atomic_read(&adapter->tx_fifo_stall))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2887
		return 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2888
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2889
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2890
		atomic_set(&adapter->tx_fifo_stall, 1);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2891
		return 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2892
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2893
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2894
no_fifo_stall_required:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2895
	adapter->tx_fifo_head += skb_fifo_len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2896
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2897
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2898
	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2899
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2900
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2901
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2902
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2903
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2904
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2905
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2906
	netif_stop_queue(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2907
	/* Herbert's original patch had:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2908
	 *  smp_mb__after_netif_stop_queue();
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2909
	 * but since that doesn't exist yet, just open code it. */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2910
	smp_mb();
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2911
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2912
	/* We need to check again in a case another CPU has just
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2913
	 * made room available. */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2914
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2915
		return -EBUSY;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2916
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2917
	/* A reprieve! */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2918
	netif_start_queue(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2919
	++adapter->restart_queue;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2920
	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2921
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2922
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2923
static int e1000_maybe_stop_tx(struct net_device *netdev,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2924
                               struct e1000_tx_ring *tx_ring, int size)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2925
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2926
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2927
		return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2928
	return __e1000_maybe_stop_tx(netdev, size);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2929
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2930
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2931
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2932
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2933
				    struct net_device *netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2934
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2935
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2936
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2937
	struct e1000_tx_ring *tx_ring;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2938
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2939
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2940
	unsigned int tx_flags = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2941
	unsigned int len = skb->len - skb->data_len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2942
	unsigned int nr_frags;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2943
	unsigned int mss;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2944
	int count = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2945
	int tso;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2946
	unsigned int f;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2947
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2948
	/* This goes back to the question of how to logically map a tx queue
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2949
	 * to a flow.  Right now, performance is impacted slightly negatively
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2950
	 * if using multiple tx queues.  If the stack breaks away from a
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2951
	 * single qdisc implementation, we can look at this again. */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2952
	tx_ring = adapter->tx_ring;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2953
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2954
	if (unlikely(skb->len <= 0)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2955
		dev_kfree_skb_any(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2956
		return NETDEV_TX_OK;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2957
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2958
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2959
	mss = skb_shinfo(skb)->gso_size;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2960
	/* The controller does a simple calculation to
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2961
	 * make sure there is enough room in the FIFO before
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2962
	 * initiating the DMA for each buffer.  The calc is:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2963
	 * 4 = ceil(buffer len/mss).  To make sure we don't
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2964
	 * overrun the FIFO, adjust the max buffer len if mss
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2965
	 * drops. */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2966
	if (mss) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2967
		u8 hdr_len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2968
		max_per_txd = min(mss << 2, max_per_txd);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2969
		max_txd_pwr = fls(max_per_txd) - 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2970
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2971
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2972
		if (skb->data_len && hdr_len == len) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2973
			switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2974
				unsigned int pull_size;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2975
			case e1000_82544:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2976
				/* Make sure we have room to chop off 4 bytes,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2977
				 * and that the end alignment will work out to
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2978
				 * this hardware's requirements
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2979
				 * NOTE: this is a TSO only workaround
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2980
				 * if end byte alignment not correct move us
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2981
				 * into the next dword */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2982
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2983
					break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2984
				/* fall through */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2985
				pull_size = min((unsigned int)4, skb->data_len);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2986
				if (!__pskb_pull_tail(skb, pull_size)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2987
					DPRINTK(DRV, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2988
						"__pskb_pull_tail failed.\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2989
					dev_kfree_skb_any(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2990
					return NETDEV_TX_OK;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2991
				}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2992
				len = skb->len - skb->data_len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2993
				break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2994
			default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2995
				/* do nothing */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2996
				break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2997
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2998
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2999
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3000
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3001
	/* reserve a descriptor for the offload context */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3002
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3003
		count++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3004
	count++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3005
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3006
	/* Controller Erratum workaround */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3007
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3008
		count++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3009
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3010
	count += TXD_USE_COUNT(len, max_txd_pwr);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3011
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3012
	if (adapter->pcix_82544)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3013
		count++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3014
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3015
	/* work-around for errata 10 and it applies to all controllers
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3016
	 * in PCI-X mode, so add one more descriptor to the count
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3017
	 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3018
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3019
			(len > 2015)))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3020
		count++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3021
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3022
	nr_frags = skb_shinfo(skb)->nr_frags;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3023
	for (f = 0; f < nr_frags; f++)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3024
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3025
				       max_txd_pwr);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3026
	if (adapter->pcix_82544)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3027
		count += nr_frags;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3028
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3029
	/* need: count + 2 desc gap to keep tail from touching
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3030
	 * head, otherwise try next time */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3031
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3032
		return NETDEV_TX_BUSY;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3033
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3034
	if (unlikely(hw->mac_type == e1000_82547)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3035
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3036
			netif_stop_queue(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3037
			if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3038
				mod_timer(&adapter->tx_fifo_stall_timer,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3039
				          jiffies + 1);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3040
			return NETDEV_TX_BUSY;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3041
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3042
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3043
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3044
	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3045
		tx_flags |= E1000_TX_FLAGS_VLAN;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3046
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3047
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3048
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3049
	first = tx_ring->next_to_use;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3050
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3051
	tso = e1000_tso(adapter, tx_ring, skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3052
	if (tso < 0) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3053
		dev_kfree_skb_any(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3054
		return NETDEV_TX_OK;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3055
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3056
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3057
	if (likely(tso)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3058
		if (likely(hw->mac_type != e1000_82544))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3059
			tx_ring->last_tx_tso = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3060
		tx_flags |= E1000_TX_FLAGS_TSO;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3061
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3062
		tx_flags |= E1000_TX_FLAGS_CSUM;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3063
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3064
	if (likely(skb->protocol == htons(ETH_P_IP)))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3065
		tx_flags |= E1000_TX_FLAGS_IPV4;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3066
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3067
	count = e1000_tx_map(adapter, tx_ring, skb, first, max_per_txd,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3068
	                     nr_frags, mss);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3069
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3070
	if (count) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3071
		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3072
		/* Make sure there is space in the ring for the next send. */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3073
		e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3074
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3075
	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3076
		dev_kfree_skb_any(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3077
		tx_ring->buffer_info[first].time_stamp = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3078
		tx_ring->next_to_use = first;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3079
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3080
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3081
	return NETDEV_TX_OK;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3082
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3083
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3084
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3085
 * e1000_tx_timeout - Respond to a Tx Hang
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3086
 * @netdev: network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3087
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3088
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3089
static void e1000_tx_timeout(struct net_device *netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3090
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3091
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3092
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3093
	/* Do the reset outside of interrupt context */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3094
	adapter->tx_timeout_count++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3095
	schedule_work(&adapter->reset_task);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3096
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3097
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3098
static void e1000_reset_task(struct work_struct *work)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3099
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3100
	struct e1000_adapter *adapter =
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3101
		container_of(work, struct e1000_adapter, reset_task);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3102
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3103
	e1000_reinit_locked(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3104
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3105
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3106
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3107
 * e1000_get_stats - Get System Network Statistics
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3108
 * @netdev: network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3109
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3110
 * Returns the address of the device statistics structure.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3111
 * The statistics are actually updated from the timer callback.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3112
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3113
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3114
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3115
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3116
	/* only return the current stats */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3117
	return &netdev->stats;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3118
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3119
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3120
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3121
 * e1000_change_mtu - Change the Maximum Transfer Unit
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3122
 * @netdev: network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3123
 * @new_mtu: new value for maximum frame size
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3124
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3125
 * Returns 0 on success, negative on failure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3126
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3127
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3128
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3129
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3130
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3131
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3132
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3133
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3134
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3135
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3136
		DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3137
		return -EINVAL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3138
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3139
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3140
	/* Adapter-specific max frame size limits. */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3141
	switch (hw->mac_type) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3142
	case e1000_undefined ... e1000_82542_rev2_1:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3143
		if (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3144
			DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3145
			return -EINVAL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3146
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3147
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3148
	default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3149
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3150
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3151
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3152
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3153
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3154
		msleep(1);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3155
	/* e1000_down has a dependency on max_frame_size */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3156
	hw->max_frame_size = max_frame;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3157
	if (netif_running(netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3158
		e1000_down(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3159
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3160
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3161
	 * means we reserve 2 more, this pushes us to allocate from the next
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3162
	 * larger slab size.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3163
	 * i.e. RXBUFFER_2048 --> size-4096 slab
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3164
	 *  however with the new *_jumbo_rx* routines, jumbo receives will use
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3165
	 *  fragmented skbs */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3166
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3167
	if (max_frame <= E1000_RXBUFFER_2048)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3168
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3169
	else
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3170
#if (PAGE_SIZE >= E1000_RXBUFFER_16384)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3171
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3172
#elif (PAGE_SIZE >= E1000_RXBUFFER_4096)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3173
		adapter->rx_buffer_len = PAGE_SIZE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3174
#endif
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3175
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3176
	/* adjust allocation if LPE protects us, and we aren't using SBP */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3177
	if (!hw->tbi_compatibility_on &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3178
	    ((max_frame == (ETH_FRAME_LEN + ETH_FCS_LEN)) ||
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3179
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3180
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3181
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3182
	printk(KERN_INFO "e1000: %s changing MTU from %d to %d\n",
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3183
	       netdev->name, netdev->mtu, new_mtu);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3184
	netdev->mtu = new_mtu;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3185
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3186
	if (netif_running(netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3187
		e1000_up(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3188
	else
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3189
		e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3190
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3191
	clear_bit(__E1000_RESETTING, &adapter->flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3192
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3193
	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3194
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3195
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3196
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3197
 * e1000_update_stats - Update the board statistics counters
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3198
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3199
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3200
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3201
void e1000_update_stats(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3202
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3203
	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3204
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3205
	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3206
	unsigned long flags;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3207
	u16 phy_tmp;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3208
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3209
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3210
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3211
	/*
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3212
	 * Prevent stats update while adapter is being reset, or if the pci
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3213
	 * connection is down.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3214
	 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3215
	if (adapter->link_speed == 0)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3216
		return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3217
	if (pci_channel_offline(pdev))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3218
		return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3219
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3220
	spin_lock_irqsave(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3221
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3222
	/* these counters are modified from e1000_tbi_adjust_stats,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3223
	 * called from the interrupt context, so they must only
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3224
	 * be written while holding adapter->stats_lock
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3225
	 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3226
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3227
	adapter->stats.crcerrs += er32(CRCERRS);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3228
	adapter->stats.gprc += er32(GPRC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3229
	adapter->stats.gorcl += er32(GORCL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3230
	adapter->stats.gorch += er32(GORCH);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3231
	adapter->stats.bprc += er32(BPRC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3232
	adapter->stats.mprc += er32(MPRC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3233
	adapter->stats.roc += er32(ROC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3234
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3235
	adapter->stats.prc64 += er32(PRC64);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3236
	adapter->stats.prc127 += er32(PRC127);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3237
	adapter->stats.prc255 += er32(PRC255);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3238
	adapter->stats.prc511 += er32(PRC511);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3239
	adapter->stats.prc1023 += er32(PRC1023);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3240
	adapter->stats.prc1522 += er32(PRC1522);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3241
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3242
	adapter->stats.symerrs += er32(SYMERRS);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3243
	adapter->stats.mpc += er32(MPC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3244
	adapter->stats.scc += er32(SCC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3245
	adapter->stats.ecol += er32(ECOL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3246
	adapter->stats.mcc += er32(MCC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3247
	adapter->stats.latecol += er32(LATECOL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3248
	adapter->stats.dc += er32(DC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3249
	adapter->stats.sec += er32(SEC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3250
	adapter->stats.rlec += er32(RLEC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3251
	adapter->stats.xonrxc += er32(XONRXC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3252
	adapter->stats.xontxc += er32(XONTXC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3253
	adapter->stats.xoffrxc += er32(XOFFRXC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3254
	adapter->stats.xofftxc += er32(XOFFTXC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3255
	adapter->stats.fcruc += er32(FCRUC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3256
	adapter->stats.gptc += er32(GPTC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3257
	adapter->stats.gotcl += er32(GOTCL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3258
	adapter->stats.gotch += er32(GOTCH);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3259
	adapter->stats.rnbc += er32(RNBC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3260
	adapter->stats.ruc += er32(RUC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3261
	adapter->stats.rfc += er32(RFC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3262
	adapter->stats.rjc += er32(RJC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3263
	adapter->stats.torl += er32(TORL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3264
	adapter->stats.torh += er32(TORH);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3265
	adapter->stats.totl += er32(TOTL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3266
	adapter->stats.toth += er32(TOTH);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3267
	adapter->stats.tpr += er32(TPR);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3268
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3269
	adapter->stats.ptc64 += er32(PTC64);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3270
	adapter->stats.ptc127 += er32(PTC127);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3271
	adapter->stats.ptc255 += er32(PTC255);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3272
	adapter->stats.ptc511 += er32(PTC511);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3273
	adapter->stats.ptc1023 += er32(PTC1023);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3274
	adapter->stats.ptc1522 += er32(PTC1522);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3275
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3276
	adapter->stats.mptc += er32(MPTC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3277
	adapter->stats.bptc += er32(BPTC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3278
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3279
	/* used for adaptive IFS */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3280
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3281
	hw->tx_packet_delta = er32(TPT);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3282
	adapter->stats.tpt += hw->tx_packet_delta;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3283
	hw->collision_delta = er32(COLC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3284
	adapter->stats.colc += hw->collision_delta;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3285
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3286
	if (hw->mac_type >= e1000_82543) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3287
		adapter->stats.algnerrc += er32(ALGNERRC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3288
		adapter->stats.rxerrc += er32(RXERRC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3289
		adapter->stats.tncrs += er32(TNCRS);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3290
		adapter->stats.cexterr += er32(CEXTERR);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3291
		adapter->stats.tsctc += er32(TSCTC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3292
		adapter->stats.tsctfc += er32(TSCTFC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3293
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3294
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3295
	/* Fill out the OS statistics structure */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3296
	netdev->stats.multicast = adapter->stats.mprc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3297
	netdev->stats.collisions = adapter->stats.colc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3298
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3299
	/* Rx Errors */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3300
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3301
	/* RLEC on some newer hardware can be incorrect so build
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3302
	* our own version based on RUC and ROC */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3303
	netdev->stats.rx_errors = adapter->stats.rxerrc +
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3304
		adapter->stats.crcerrs + adapter->stats.algnerrc +
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3305
		adapter->stats.ruc + adapter->stats.roc +
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3306
		adapter->stats.cexterr;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3307
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3308
	netdev->stats.rx_length_errors = adapter->stats.rlerrc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3309
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3310
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3311
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3312
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3313
	/* Tx Errors */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3314
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3315
	netdev->stats.tx_errors = adapter->stats.txerrc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3316
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3317
	netdev->stats.tx_window_errors = adapter->stats.latecol;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3318
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3319
	if (hw->bad_tx_carr_stats_fd &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3320
	    adapter->link_duplex == FULL_DUPLEX) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3321
		netdev->stats.tx_carrier_errors = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3322
		adapter->stats.tncrs = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3323
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3324
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3325
	/* Tx Dropped needs to be maintained elsewhere */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3326
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3327
	/* Phy Stats */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3328
	if (hw->media_type == e1000_media_type_copper) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3329
		if ((adapter->link_speed == SPEED_1000) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3330
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3331
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3332
			adapter->phy_stats.idle_errors += phy_tmp;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3333
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3334
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3335
		if ((hw->mac_type <= e1000_82546) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3336
		   (hw->phy_type == e1000_phy_m88) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3337
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3338
			adapter->phy_stats.receive_errors += phy_tmp;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3339
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3340
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3341
	/* Management Stats */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3342
	if (hw->has_smbus) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3343
		adapter->stats.mgptc += er32(MGTPTC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3344
		adapter->stats.mgprc += er32(MGTPRC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3345
		adapter->stats.mgpdc += er32(MGTPDC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3346
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3347
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3348
	spin_unlock_irqrestore(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3349
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3350
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3351
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3352
 * e1000_intr - Interrupt Handler
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3353
 * @irq: interrupt number
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3354
 * @data: pointer to a network interface device structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3355
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3356
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3357
static irqreturn_t e1000_intr(int irq, void *data)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3358
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3359
	struct net_device *netdev = data;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3360
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3361
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3362
	u32 icr = er32(ICR);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3363
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3364
	if (unlikely((!icr) || test_bit(__E1000_DOWN, &adapter->flags)))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3365
		return IRQ_NONE;  /* Not our interrupt */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3366
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3367
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3368
		hw->get_link_status = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3369
		/* guard against interrupt when we're going down */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3370
		if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3371
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3372
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3373
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3374
	/* disable interrupts, without the synchronize_irq bit */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3375
	ew32(IMC, ~0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3376
	E1000_WRITE_FLUSH();
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3377
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3378
	if (likely(napi_schedule_prep(&adapter->napi))) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3379
		adapter->total_tx_bytes = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3380
		adapter->total_tx_packets = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3381
		adapter->total_rx_bytes = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3382
		adapter->total_rx_packets = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3383
		__napi_schedule(&adapter->napi);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3384
	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3385
		/* this really should not happen! if it does it is basically a
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3386
		 * bug, but not a hard error, so enable ints and continue */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3387
		if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3388
			e1000_irq_enable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3389
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3390
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3391
	return IRQ_HANDLED;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3392
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3393
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3394
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3395
 * e1000_clean - NAPI Rx polling callback
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3396
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3397
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3398
static int e1000_clean(struct napi_struct *napi, int budget)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3399
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3400
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3401
	int tx_clean_complete = 0, work_done = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3402
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3403
	tx_clean_complete = e1000_clean_tx_irq(adapter, &adapter->tx_ring[0]);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3404
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3405
	adapter->clean_rx(adapter, &adapter->rx_ring[0], &work_done, budget);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3406
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3407
	if (!tx_clean_complete)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3408
		work_done = budget;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3409
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3410
	/* If budget not fully consumed, exit the polling mode */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3411
	if (work_done < budget) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3412
		if (likely(adapter->itr_setting & 3))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3413
			e1000_set_itr(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3414
		napi_complete(napi);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3415
		if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3416
			e1000_irq_enable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3417
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3418
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3419
	return work_done;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3420
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3421
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3422
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3423
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3424
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3425
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3426
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3427
			       struct e1000_tx_ring *tx_ring)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3428
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3429
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3430
	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3431
	struct e1000_tx_desc *tx_desc, *eop_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3432
	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3433
	unsigned int i, eop;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3434
	unsigned int count = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3435
	unsigned int total_tx_bytes=0, total_tx_packets=0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3436
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3437
	i = tx_ring->next_to_clean;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3438
	eop = tx_ring->buffer_info[i].next_to_watch;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3439
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3440
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3441
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3442
	       (count < tx_ring->count)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3443
		bool cleaned = false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3444
		for ( ; !cleaned; count++) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3445
			tx_desc = E1000_TX_DESC(*tx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3446
			buffer_info = &tx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3447
			cleaned = (i == eop);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3448
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3449
			if (cleaned) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3450
				struct sk_buff *skb = buffer_info->skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3451
				unsigned int segs, bytecount;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3452
				segs = skb_shinfo(skb)->gso_segs ?: 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3453
				/* multiply data chunks by size of headers */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3454
				bytecount = ((segs - 1) * skb_headlen(skb)) +
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3455
				            skb->len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3456
				total_tx_packets += segs;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3457
				total_tx_bytes += bytecount;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3458
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3459
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3460
			tx_desc->upper.data = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3461
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3462
			if (unlikely(++i == tx_ring->count)) i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3463
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3464
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3465
		eop = tx_ring->buffer_info[i].next_to_watch;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3466
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3467
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3468
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3469
	tx_ring->next_to_clean = i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3470
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3471
#define TX_WAKE_THRESHOLD 32
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3472
	if (unlikely(count && netif_carrier_ok(netdev) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3473
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3474
		/* Make sure that anybody stopping the queue after this
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3475
		 * sees the new next_to_clean.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3476
		 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3477
		smp_mb();
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3478
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3479
		if (netif_queue_stopped(netdev) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3480
		    !(test_bit(__E1000_DOWN, &adapter->flags))) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3481
			netif_wake_queue(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3482
			++adapter->restart_queue;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3483
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3484
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3485
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3486
	if (adapter->detect_tx_hung) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3487
		/* Detect a transmit hang in hardware, this serializes the
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3488
		 * check with the clearing of time_stamp and movement of i */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3489
		adapter->detect_tx_hung = false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3490
		if (tx_ring->buffer_info[eop].time_stamp &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3491
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3492
		               (adapter->tx_timeout_factor * HZ)) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3493
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3494
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3495
			/* detected Tx unit hang */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3496
			DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3497
					"  Tx Queue             <%lu>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3498
					"  TDH                  <%x>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3499
					"  TDT                  <%x>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3500
					"  next_to_use          <%x>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3501
					"  next_to_clean        <%x>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3502
					"buffer_info[next_to_clean]\n"
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3503
					"  time_stamp           <%lx>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3504
					"  next_to_watch        <%x>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3505
					"  jiffies              <%lx>\n"
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3506
					"  next_to_watch.status <%x>\n",
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3507
				(unsigned long)((tx_ring - adapter->tx_ring) /
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3508
					sizeof(struct e1000_tx_ring)),
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3509
				readl(hw->hw_addr + tx_ring->tdh),
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3510
				readl(hw->hw_addr + tx_ring->tdt),
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3511
				tx_ring->next_to_use,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3512
				tx_ring->next_to_clean,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3513
				tx_ring->buffer_info[eop].time_stamp,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3514
				eop,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3515
				jiffies,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3516
				eop_desc->upper.fields.status);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3517
			netif_stop_queue(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3518
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3519
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3520
	adapter->total_tx_bytes += total_tx_bytes;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3521
	adapter->total_tx_packets += total_tx_packets;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3522
	netdev->stats.tx_bytes += total_tx_bytes;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3523
	netdev->stats.tx_packets += total_tx_packets;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3524
	return (count < tx_ring->count);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3525
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3526
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3527
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3528
 * e1000_rx_checksum - Receive Checksum Offload for 82543
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3529
 * @adapter:     board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3530
 * @status_err:  receive descriptor status and error fields
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3531
 * @csum:        receive descriptor csum field
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3532
 * @sk_buff:     socket buffer with received data
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3533
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3534
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3535
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3536
			      u32 csum, struct sk_buff *skb)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3537
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3538
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3539
	u16 status = (u16)status_err;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3540
	u8 errors = (u8)(status_err >> 24);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3541
	skb->ip_summed = CHECKSUM_NONE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3542
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3543
	/* 82543 or newer only */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3544
	if (unlikely(hw->mac_type < e1000_82543)) return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3545
	/* Ignore Checksum bit is set */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3546
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3547
	/* TCP/UDP checksum error bit is set */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3548
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3549
		/* let the stack verify checksum errors */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3550
		adapter->hw_csum_err++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3551
		return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3552
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3553
	/* TCP/UDP Checksum has not been calculated */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3554
	if (!(status & E1000_RXD_STAT_TCPCS))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3555
		return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3556
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3557
	/* It must be a TCP or UDP packet with a valid checksum */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3558
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3559
		/* TCP checksum is good */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3560
		skb->ip_summed = CHECKSUM_UNNECESSARY;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3561
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3562
	adapter->hw_csum_good++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3563
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3564
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3565
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3566
 * e1000_consume_page - helper function
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3567
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3568
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3569
                               u16 length)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3570
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3571
	bi->page = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3572
	skb->len += length;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3573
	skb->data_len += length;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3574
	skb->truesize += length;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3575
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3576
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3577
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3578
 * e1000_receive_skb - helper function to handle rx indications
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3579
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3580
 * @status: descriptor status field as written by hardware
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3581
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3582
 * @skb: pointer to sk_buff to be indicated to stack
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3583
 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3584
static void e1000_receive_skb(struct e1000_adapter *adapter, u8 status,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3585
			      __le16 vlan, struct sk_buff *skb)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3586
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3587
	if (unlikely(adapter->vlgrp && (status & E1000_RXD_STAT_VP))) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3588
		vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3589
		                         le16_to_cpu(vlan) &
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3590
		                         E1000_RXD_SPC_VLAN_MASK);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3591
	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3592
		netif_receive_skb(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3593
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3594
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3595
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3596
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3597
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3598
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3599
 * @rx_ring: ring to clean
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3600
 * @work_done: amount of napi work completed this call
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3601
 * @work_to_do: max amount of work allowed for this call to do
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3602
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3603
 * the return value indicates whether actual cleaning was done, there
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3604
 * is no guarantee that everything was cleaned
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3605
 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3606
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3607
				     struct e1000_rx_ring *rx_ring,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3608
				     int *work_done, int work_to_do)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3609
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3610
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3611
	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3612
	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3613
	struct e1000_rx_desc *rx_desc, *next_rxd;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3614
	struct e1000_buffer *buffer_info, *next_buffer;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3615
	unsigned long irq_flags;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3616
	u32 length;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3617
	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3618
	int cleaned_count = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3619
	bool cleaned = false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3620
	unsigned int total_rx_bytes=0, total_rx_packets=0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3621
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3622
	i = rx_ring->next_to_clean;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3623
	rx_desc = E1000_RX_DESC(*rx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3624
	buffer_info = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3625
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3626
	while (rx_desc->status & E1000_RXD_STAT_DD) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3627
		struct sk_buff *skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3628
		u8 status;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3629
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3630
		if (*work_done >= work_to_do)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3631
			break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3632
		(*work_done)++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3633
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3634
		status = rx_desc->status;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3635
		skb = buffer_info->skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3636
		buffer_info->skb = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3637
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3638
		if (++i == rx_ring->count) i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3639
		next_rxd = E1000_RX_DESC(*rx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3640
		prefetch(next_rxd);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3641
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3642
		next_buffer = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3643
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3644
		cleaned = true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3645
		cleaned_count++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3646
		pci_unmap_page(pdev, buffer_info->dma, buffer_info->length,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3647
		               PCI_DMA_FROMDEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3648
		buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3649
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3650
		length = le16_to_cpu(rx_desc->length);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3651
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3652
		/* errors is only valid for DD + EOP descriptors */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3653
		if (unlikely((status & E1000_RXD_STAT_EOP) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3654
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3655
			u8 last_byte = *(skb->data + length - 1);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3656
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3657
				       last_byte)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3658
				spin_lock_irqsave(&adapter->stats_lock,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3659
				                  irq_flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3660
				e1000_tbi_adjust_stats(hw, &adapter->stats,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3661
				                       length, skb->data);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3662
				spin_unlock_irqrestore(&adapter->stats_lock,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3663
				                       irq_flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3664
				length--;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3665
			} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3666
				/* recycle both page and skb */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3667
				buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3668
				/* an error means any chain goes out the window
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3669
				 * too */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3670
				if (rx_ring->rx_skb_top)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3671
					dev_kfree_skb(rx_ring->rx_skb_top);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3672
				rx_ring->rx_skb_top = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3673
				goto next_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3674
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3675
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3676
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3677
#define rxtop rx_ring->rx_skb_top
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3678
		if (!(status & E1000_RXD_STAT_EOP)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3679
			/* this descriptor is only the beginning (or middle) */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3680
			if (!rxtop) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3681
				/* this is the beginning of a chain */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3682
				rxtop = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3683
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3684
				                   0, length);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3685
			} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3686
				/* this is the middle of a chain */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3687
				skb_fill_page_desc(rxtop,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3688
				    skb_shinfo(rxtop)->nr_frags,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3689
				    buffer_info->page, 0, length);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3690
				/* re-use the skb, only consumed the page */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3691
				buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3692
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3693
			e1000_consume_page(buffer_info, rxtop, length);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3694
			goto next_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3695
		} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3696
			if (rxtop) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3697
				/* end of the chain */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3698
				skb_fill_page_desc(rxtop,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3699
				    skb_shinfo(rxtop)->nr_frags,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3700
				    buffer_info->page, 0, length);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3701
				/* re-use the current skb, we only consumed the
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3702
				 * page */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3703
				buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3704
				skb = rxtop;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3705
				rxtop = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3706
				e1000_consume_page(buffer_info, skb, length);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3707
			} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3708
				/* no chain, got EOP, this buf is the packet
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3709
				 * copybreak to save the put_page/alloc_page */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3710
				if (length <= copybreak &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3711
				    skb_tailroom(skb) >= length) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3712
					u8 *vaddr;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3713
					vaddr = kmap_atomic(buffer_info->page,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3714
					                    KM_SKB_DATA_SOFTIRQ);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3715
					memcpy(skb_tail_pointer(skb), vaddr, length);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3716
					kunmap_atomic(vaddr,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3717
					              KM_SKB_DATA_SOFTIRQ);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3718
					/* re-use the page, so don't erase
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3719
					 * buffer_info->page */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3720
					skb_put(skb, length);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3721
				} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3722
					skb_fill_page_desc(skb, 0,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3723
					                   buffer_info->page, 0,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3724
				                           length);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3725
					e1000_consume_page(buffer_info, skb,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3726
					                   length);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3727
				}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3728
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3729
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3730
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3731
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3732
		e1000_rx_checksum(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3733
		                  (u32)(status) |
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3734
		                  ((u32)(rx_desc->errors) << 24),
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3735
		                  le16_to_cpu(rx_desc->csum), skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3736
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3737
		pskb_trim(skb, skb->len - 4);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3738
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3739
		/* probably a little skewed due to removing CRC */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3740
		total_rx_bytes += skb->len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3741
		total_rx_packets++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3742
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3743
		/* eth type trans needs skb->data to point to something */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3744
		if (!pskb_may_pull(skb, ETH_HLEN)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3745
			DPRINTK(DRV, ERR, "pskb_may_pull failed.\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3746
			dev_kfree_skb(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3747
			goto next_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3748
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3749
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3750
		skb->protocol = eth_type_trans(skb, netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3751
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3752
		e1000_receive_skb(adapter, status, rx_desc->special, skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3753
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3754
next_desc:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3755
		rx_desc->status = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3756
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3757
		/* return some buffers to hardware, one at a time is too slow */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3758
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3759
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3760
			cleaned_count = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3761
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3762
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3763
		/* use prefetched values */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3764
		rx_desc = next_rxd;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3765
		buffer_info = next_buffer;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3766
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3767
	rx_ring->next_to_clean = i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3768
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3769
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3770
	if (cleaned_count)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3771
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3772
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3773
	adapter->total_rx_packets += total_rx_packets;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3774
	adapter->total_rx_bytes += total_rx_bytes;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3775
	netdev->stats.rx_bytes += total_rx_bytes;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3776
	netdev->stats.rx_packets += total_rx_packets;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3777
	return cleaned;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3778
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3779
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3780
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3781
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3782
 * @adapter: board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3783
 * @rx_ring: ring to clean
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3784
 * @work_done: amount of napi work completed this call
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3785
 * @work_to_do: max amount of work allowed for this call to do
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3786
 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3787
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3788
			       struct e1000_rx_ring *rx_ring,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3789
			       int *work_done, int work_to_do)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3790
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3791
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3792
	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3793
	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3794
	struct e1000_rx_desc *rx_desc, *next_rxd;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3795
	struct e1000_buffer *buffer_info, *next_buffer;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3796
	unsigned long flags;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3797
	u32 length;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3798
	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3799
	int cleaned_count = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3800
	bool cleaned = false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3801
	unsigned int total_rx_bytes=0, total_rx_packets=0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3802
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3803
	i = rx_ring->next_to_clean;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3804
	rx_desc = E1000_RX_DESC(*rx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3805
	buffer_info = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3806
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3807
	while (rx_desc->status & E1000_RXD_STAT_DD) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3808
		struct sk_buff *skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3809
		u8 status;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3810
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3811
		if (*work_done >= work_to_do)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3812
			break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3813
		(*work_done)++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3814
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3815
		status = rx_desc->status;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3816
		skb = buffer_info->skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3817
		buffer_info->skb = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3818
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3819
		prefetch(skb->data - NET_IP_ALIGN);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3820
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3821
		if (++i == rx_ring->count) i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3822
		next_rxd = E1000_RX_DESC(*rx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3823
		prefetch(next_rxd);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3824
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3825
		next_buffer = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3826
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3827
		cleaned = true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3828
		cleaned_count++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3829
		pci_unmap_single(pdev, buffer_info->dma, buffer_info->length,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3830
		                 PCI_DMA_FROMDEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3831
		buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3832
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3833
		length = le16_to_cpu(rx_desc->length);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3834
		/* !EOP means multiple descriptors were used to store a single
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3835
		 * packet, if thats the case we need to toss it.  In fact, we
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3836
		 * to toss every packet with the EOP bit clear and the next
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3837
		 * frame that _does_ have the EOP bit set, as it is by
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3838
		 * definition only a frame fragment
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3839
		 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3840
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3841
			adapter->discarding = true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3842
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3843
		if (adapter->discarding) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3844
			/* All receives must fit into a single buffer */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3845
			E1000_DBG("%s: Receive packet consumed multiple"
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3846
				  " buffers\n", netdev->name);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3847
			/* recycle */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3848
			buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3849
			if (status & E1000_RXD_STAT_EOP)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3850
				adapter->discarding = false;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3851
			goto next_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3852
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3853
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3854
		if (unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3855
			u8 last_byte = *(skb->data + length - 1);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3856
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3857
				       last_byte)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3858
				spin_lock_irqsave(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3859
				e1000_tbi_adjust_stats(hw, &adapter->stats,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3860
				                       length, skb->data);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3861
				spin_unlock_irqrestore(&adapter->stats_lock,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3862
				                       flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3863
				length--;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3864
			} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3865
				/* recycle */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3866
				buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3867
				goto next_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3868
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3869
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3870
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3871
		/* adjust length to remove Ethernet CRC, this must be
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3872
		 * done after the TBI_ACCEPT workaround above */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3873
		length -= 4;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3874
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3875
		/* probably a little skewed due to removing CRC */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3876
		total_rx_bytes += length;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3877
		total_rx_packets++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3878
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3879
		/* code added for copybreak, this should improve
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3880
		 * performance for small packets with large amounts
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3881
		 * of reassembly being done in the stack */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3882
		if (length < copybreak) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3883
			struct sk_buff *new_skb =
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3884
			    netdev_alloc_skb_ip_align(netdev, length);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3885
			if (new_skb) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3886
				skb_copy_to_linear_data_offset(new_skb,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3887
							       -NET_IP_ALIGN,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3888
							       (skb->data -
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3889
							        NET_IP_ALIGN),
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3890
							       (length +
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3891
							        NET_IP_ALIGN));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3892
				/* save the skb in buffer_info as good */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3893
				buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3894
				skb = new_skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3895
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3896
			/* else just continue with the old one */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3897
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3898
		/* end copybreak code */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3899
		skb_put(skb, length);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3900
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3901
		/* Receive Checksum Offload */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3902
		e1000_rx_checksum(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3903
				  (u32)(status) |
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3904
				  ((u32)(rx_desc->errors) << 24),
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3905
				  le16_to_cpu(rx_desc->csum), skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3906
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3907
		skb->protocol = eth_type_trans(skb, netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3908
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3909
		e1000_receive_skb(adapter, status, rx_desc->special, skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3910
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3911
next_desc:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3912
		rx_desc->status = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3913
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3914
		/* return some buffers to hardware, one at a time is too slow */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3915
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3916
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3917
			cleaned_count = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3918
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3919
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3920
		/* use prefetched values */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3921
		rx_desc = next_rxd;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3922
		buffer_info = next_buffer;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3923
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3924
	rx_ring->next_to_clean = i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3925
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3926
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3927
	if (cleaned_count)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3928
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3929
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3930
	adapter->total_rx_packets += total_rx_packets;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3931
	adapter->total_rx_bytes += total_rx_bytes;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3932
	netdev->stats.rx_bytes += total_rx_bytes;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3933
	netdev->stats.rx_packets += total_rx_packets;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3934
	return cleaned;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3935
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3936
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3937
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3938
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3939
 * @adapter: address of board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3940
 * @rx_ring: pointer to receive ring structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3941
 * @cleaned_count: number of buffers to allocate this pass
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3942
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3943
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3944
static void
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3945
e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3946
                             struct e1000_rx_ring *rx_ring, int cleaned_count)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3947
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3948
	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3949
	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3950
	struct e1000_rx_desc *rx_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3951
	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3952
	struct sk_buff *skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3953
	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3954
	unsigned int bufsz = 256 - 16 /*for skb_reserve */ ;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3955
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3956
	i = rx_ring->next_to_use;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3957
	buffer_info = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3958
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3959
	while (cleaned_count--) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3960
		skb = buffer_info->skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3961
		if (skb) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3962
			skb_trim(skb, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3963
			goto check_page;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3964
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3965
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3966
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3967
		if (unlikely(!skb)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3968
			/* Better luck next round */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3969
			adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3970
			break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3971
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3972
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3973
		/* Fix for errata 23, can't cross 64kB boundary */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3974
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3975
			struct sk_buff *oldskb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3976
			DPRINTK(PROBE, ERR, "skb align check failed: %u bytes "
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3977
					     "at %p\n", bufsz, skb->data);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3978
			/* Try again, without freeing the previous */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3979
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3980
			/* Failed allocation, critical failure */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3981
			if (!skb) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3982
				dev_kfree_skb(oldskb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3983
				adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3984
				break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3985
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3986
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3987
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3988
				/* give up */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3989
				dev_kfree_skb(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3990
				dev_kfree_skb(oldskb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3991
				break; /* while (cleaned_count--) */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3992
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3993
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3994
			/* Use new allocation */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3995
			dev_kfree_skb(oldskb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3996
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3997
		buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3998
		buffer_info->length = adapter->rx_buffer_len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3999
check_page:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4000
		/* allocate a new page if necessary */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4001
		if (!buffer_info->page) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4002
			buffer_info->page = alloc_page(GFP_ATOMIC);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4003
			if (unlikely(!buffer_info->page)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4004
				adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4005
				break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4006
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4007
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4008
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4009
		if (!buffer_info->dma) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4010
			buffer_info->dma = pci_map_page(pdev,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4011
			                                buffer_info->page, 0,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4012
			                                buffer_info->length,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4013
			                                PCI_DMA_FROMDEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4014
			if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4015
				put_page(buffer_info->page);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4016
				dev_kfree_skb(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4017
				buffer_info->page = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4018
				buffer_info->skb = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4019
				buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4020
				adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4021
				break; /* while !buffer_info->skb */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4022
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4023
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4024
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4025
		rx_desc = E1000_RX_DESC(*rx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4026
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4027
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4028
		if (unlikely(++i == rx_ring->count))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4029
			i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4030
		buffer_info = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4031
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4032
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4033
	if (likely(rx_ring->next_to_use != i)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4034
		rx_ring->next_to_use = i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4035
		if (unlikely(i-- == 0))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4036
			i = (rx_ring->count - 1);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4037
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4038
		/* Force memory writes to complete before letting h/w
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4039
		 * know there are new descriptors to fetch.  (Only
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4040
		 * applicable for weak-ordered memory model archs,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4041
		 * such as IA-64). */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4042
		wmb();
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4043
		writel(i, adapter->hw.hw_addr + rx_ring->rdt);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4044
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4045
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4046
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4047
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4048
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4049
 * @adapter: address of board private structure
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4050
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4051
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4052
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4053
				   struct e1000_rx_ring *rx_ring,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4054
				   int cleaned_count)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4055
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4056
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4057
	struct net_device *netdev = adapter->netdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4058
	struct pci_dev *pdev = adapter->pdev;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4059
	struct e1000_rx_desc *rx_desc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4060
	struct e1000_buffer *buffer_info;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4061
	struct sk_buff *skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4062
	unsigned int i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4063
	unsigned int bufsz = adapter->rx_buffer_len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4064
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4065
	i = rx_ring->next_to_use;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4066
	buffer_info = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4067
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4068
	while (cleaned_count--) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4069
		skb = buffer_info->skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4070
		if (skb) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4071
			skb_trim(skb, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4072
			goto map_skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4073
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4074
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4075
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4076
		if (unlikely(!skb)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4077
			/* Better luck next round */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4078
			adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4079
			break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4080
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4081
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4082
		/* Fix for errata 23, can't cross 64kB boundary */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4083
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4084
			struct sk_buff *oldskb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4085
			DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4086
					     "at %p\n", bufsz, skb->data);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4087
			/* Try again, without freeing the previous */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4088
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4089
			/* Failed allocation, critical failure */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4090
			if (!skb) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4091
				dev_kfree_skb(oldskb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4092
				adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4093
				break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4094
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4095
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4096
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4097
				/* give up */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4098
				dev_kfree_skb(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4099
				dev_kfree_skb(oldskb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4100
				adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4101
				break; /* while !buffer_info->skb */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4102
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4103
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4104
			/* Use new allocation */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4105
			dev_kfree_skb(oldskb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4106
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4107
		buffer_info->skb = skb;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4108
		buffer_info->length = adapter->rx_buffer_len;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4109
map_skb:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4110
		buffer_info->dma = pci_map_single(pdev,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4111
						  skb->data,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4112
						  buffer_info->length,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4113
						  PCI_DMA_FROMDEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4114
		if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4115
			dev_kfree_skb(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4116
			buffer_info->skb = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4117
			buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4118
			adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4119
			break; /* while !buffer_info->skb */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4120
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4121
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4122
		/*
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4123
		 * XXX if it was allocated cleanly it will never map to a
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4124
		 * boundary crossing
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4125
		 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4126
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4127
		/* Fix for errata 23, can't cross 64kB boundary */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4128
		if (!e1000_check_64k_bound(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4129
					(void *)(unsigned long)buffer_info->dma,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4130
					adapter->rx_buffer_len)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4131
			DPRINTK(RX_ERR, ERR,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4132
				"dma align check failed: %u bytes at %p\n",
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4133
				adapter->rx_buffer_len,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4134
				(void *)(unsigned long)buffer_info->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4135
			dev_kfree_skb(skb);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4136
			buffer_info->skb = NULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4137
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4138
			pci_unmap_single(pdev, buffer_info->dma,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4139
					 adapter->rx_buffer_len,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4140
					 PCI_DMA_FROMDEVICE);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4141
			buffer_info->dma = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4142
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4143
			adapter->alloc_rx_buff_failed++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4144
			break; /* while !buffer_info->skb */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4145
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4146
		rx_desc = E1000_RX_DESC(*rx_ring, i);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4147
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4148
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4149
		if (unlikely(++i == rx_ring->count))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4150
			i = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4151
		buffer_info = &rx_ring->buffer_info[i];
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4152
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4153
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4154
	if (likely(rx_ring->next_to_use != i)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4155
		rx_ring->next_to_use = i;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4156
		if (unlikely(i-- == 0))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4157
			i = (rx_ring->count - 1);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4158
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4159
		/* Force memory writes to complete before letting h/w
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4160
		 * know there are new descriptors to fetch.  (Only
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4161
		 * applicable for weak-ordered memory model archs,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4162
		 * such as IA-64). */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4163
		wmb();
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4164
		writel(i, hw->hw_addr + rx_ring->rdt);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4165
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4166
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4167
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4168
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4169
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4170
 * @adapter:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4171
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4172
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4173
static void e1000_smartspeed(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4174
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4175
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4176
	u16 phy_status;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4177
	u16 phy_ctrl;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4178
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4179
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4180
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4181
		return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4182
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4183
	if (adapter->smartspeed == 0) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4184
		/* If Master/Slave config fault is asserted twice,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4185
		 * we assume back-to-back */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4186
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4187
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4188
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4189
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4190
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4191
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4192
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4193
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4194
					    phy_ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4195
			adapter->smartspeed++;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4196
			if (!e1000_phy_setup_autoneg(hw) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4197
			   !e1000_read_phy_reg(hw, PHY_CTRL,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4198
				   	       &phy_ctrl)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4199
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4200
					     MII_CR_RESTART_AUTO_NEG);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4201
				e1000_write_phy_reg(hw, PHY_CTRL,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4202
						    phy_ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4203
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4204
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4205
		return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4206
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4207
		/* If still no link, perhaps using 2/3 pair cable */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4208
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4209
		phy_ctrl |= CR_1000T_MS_ENABLE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4210
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4211
		if (!e1000_phy_setup_autoneg(hw) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4212
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4213
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4214
				     MII_CR_RESTART_AUTO_NEG);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4215
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4216
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4217
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4218
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4219
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4220
		adapter->smartspeed = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4221
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4222
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4223
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4224
 * e1000_ioctl -
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4225
 * @netdev:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4226
 * @ifreq:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4227
 * @cmd:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4228
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4229
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4230
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4231
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4232
	switch (cmd) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4233
	case SIOCGMIIPHY:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4234
	case SIOCGMIIREG:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4235
	case SIOCSMIIREG:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4236
		return e1000_mii_ioctl(netdev, ifr, cmd);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4237
	default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4238
		return -EOPNOTSUPP;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4239
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4240
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4241
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4242
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4243
 * e1000_mii_ioctl -
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4244
 * @netdev:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4245
 * @ifreq:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4246
 * @cmd:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4247
 **/
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4248
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4249
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4250
			   int cmd)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4251
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4252
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4253
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4254
	struct mii_ioctl_data *data = if_mii(ifr);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4255
	int retval;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4256
	u16 mii_reg;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4257
	u16 spddplx;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4258
	unsigned long flags;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4259
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4260
	if (hw->media_type != e1000_media_type_copper)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4261
		return -EOPNOTSUPP;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4262
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4263
	switch (cmd) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4264
	case SIOCGMIIPHY:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4265
		data->phy_id = hw->phy_addr;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4266
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4267
	case SIOCGMIIREG:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4268
		spin_lock_irqsave(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4269
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4270
				   &data->val_out)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4271
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4272
			return -EIO;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4273
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4274
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4275
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4276
	case SIOCSMIIREG:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4277
		if (data->reg_num & ~(0x1F))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4278
			return -EFAULT;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4279
		mii_reg = data->val_in;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4280
		spin_lock_irqsave(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4281
		if (e1000_write_phy_reg(hw, data->reg_num,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4282
					mii_reg)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4283
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4284
			return -EIO;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4285
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4286
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4287
		if (hw->media_type == e1000_media_type_copper) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4288
			switch (data->reg_num) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4289
			case PHY_CTRL:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4290
				if (mii_reg & MII_CR_POWER_DOWN)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4291
					break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4292
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4293
					hw->autoneg = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4294
					hw->autoneg_advertised = 0x2F;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4295
				} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4296
					if (mii_reg & 0x40)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4297
						spddplx = SPEED_1000;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4298
					else if (mii_reg & 0x2000)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4299
						spddplx = SPEED_100;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4300
					else
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4301
						spddplx = SPEED_10;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4302
					spddplx += (mii_reg & 0x100)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4303
						   ? DUPLEX_FULL :
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4304
						   DUPLEX_HALF;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4305
					retval = e1000_set_spd_dplx(adapter,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4306
								    spddplx);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4307
					if (retval)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4308
						return retval;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4309
				}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4310
				if (netif_running(adapter->netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4311
					e1000_reinit_locked(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4312
				else
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4313
					e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4314
				break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4315
			case M88E1000_PHY_SPEC_CTRL:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4316
			case M88E1000_EXT_PHY_SPEC_CTRL:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4317
				if (e1000_phy_reset(hw))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4318
					return -EIO;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4319
				break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4320
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4321
		} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4322
			switch (data->reg_num) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4323
			case PHY_CTRL:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4324
				if (mii_reg & MII_CR_POWER_DOWN)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4325
					break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4326
				if (netif_running(adapter->netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4327
					e1000_reinit_locked(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4328
				else
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4329
					e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4330
				break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4331
			}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4332
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4333
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4334
	default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4335
		return -EOPNOTSUPP;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4336
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4337
	return E1000_SUCCESS;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4338
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4339
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4340
void e1000_pci_set_mwi(struct e1000_hw *hw)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4341
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4342
	struct e1000_adapter *adapter = hw->back;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4343
	int ret_val = pci_set_mwi(adapter->pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4344
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4345
	if (ret_val)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4346
		DPRINTK(PROBE, ERR, "Error in setting MWI\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4347
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4348
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4349
void e1000_pci_clear_mwi(struct e1000_hw *hw)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4350
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4351
	struct e1000_adapter *adapter = hw->back;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4352
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4353
	pci_clear_mwi(adapter->pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4354
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4355
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4356
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4357
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4358
	struct e1000_adapter *adapter = hw->back;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4359
	return pcix_get_mmrbc(adapter->pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4360
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4361
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4362
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4363
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4364
	struct e1000_adapter *adapter = hw->back;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4365
	pcix_set_mmrbc(adapter->pdev, mmrbc);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4366
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4367
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4368
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4369
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4370
	outl(value, port);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4371
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4372
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4373
static void e1000_vlan_rx_register(struct net_device *netdev,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4374
				   struct vlan_group *grp)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4375
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4376
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4377
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4378
	u32 ctrl, rctl;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4379
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4380
	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4381
		e1000_irq_disable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4382
	adapter->vlgrp = grp;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4383
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4384
	if (grp) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4385
		/* enable VLAN tag insert/strip */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4386
		ctrl = er32(CTRL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4387
		ctrl |= E1000_CTRL_VME;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4388
		ew32(CTRL, ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4389
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4390
		/* enable VLAN receive filtering */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4391
		rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4392
		rctl &= ~E1000_RCTL_CFIEN;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4393
		if (!(netdev->flags & IFF_PROMISC))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4394
			rctl |= E1000_RCTL_VFE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4395
		ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4396
		e1000_update_mng_vlan(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4397
	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4398
		/* disable VLAN tag insert/strip */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4399
		ctrl = er32(CTRL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4400
		ctrl &= ~E1000_CTRL_VME;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4401
		ew32(CTRL, ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4402
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4403
		/* disable VLAN receive filtering */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4404
		rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4405
		rctl &= ~E1000_RCTL_VFE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4406
		ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4407
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4408
		if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4409
			e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4410
			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4411
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4412
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4413
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4414
	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4415
		e1000_irq_enable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4416
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4417
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4418
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4419
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4420
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4421
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4422
	u32 vfta, index;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4423
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4424
	if ((hw->mng_cookie.status &
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4425
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4426
	    (vid == adapter->mng_vlan_id))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4427
		return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4428
	/* add VID to filter table */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4429
	index = (vid >> 5) & 0x7F;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4430
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4431
	vfta |= (1 << (vid & 0x1F));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4432
	e1000_write_vfta(hw, index, vfta);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4433
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4434
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4435
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4436
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4437
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4438
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4439
	u32 vfta, index;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4440
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4441
	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4442
		e1000_irq_disable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4443
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4444
	if (!test_bit(__E1000_DOWN, &adapter->flags))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4445
		e1000_irq_enable(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4446
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4447
	/* remove VID from filter table */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4448
	index = (vid >> 5) & 0x7F;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4449
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4450
	vfta &= ~(1 << (vid & 0x1F));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4451
	e1000_write_vfta(hw, index, vfta);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4452
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4453
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4454
static void e1000_restore_vlan(struct e1000_adapter *adapter)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4455
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4456
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4457
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4458
	if (adapter->vlgrp) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4459
		u16 vid;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4460
		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4461
			if (!vlan_group_get_device(adapter->vlgrp, vid))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4462
				continue;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4463
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4464
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4465
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4466
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4467
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4468
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4469
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4470
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4471
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4472
	hw->autoneg = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4473
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4474
	/* Fiber NICs only allow 1000 gbps Full duplex */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4475
	if ((hw->media_type == e1000_media_type_fiber) &&
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4476
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4477
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4478
		return -EINVAL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4479
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4480
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4481
	switch (spddplx) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4482
	case SPEED_10 + DUPLEX_HALF:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4483
		hw->forced_speed_duplex = e1000_10_half;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4484
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4485
	case SPEED_10 + DUPLEX_FULL:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4486
		hw->forced_speed_duplex = e1000_10_full;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4487
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4488
	case SPEED_100 + DUPLEX_HALF:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4489
		hw->forced_speed_duplex = e1000_100_half;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4490
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4491
	case SPEED_100 + DUPLEX_FULL:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4492
		hw->forced_speed_duplex = e1000_100_full;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4493
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4494
	case SPEED_1000 + DUPLEX_FULL:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4495
		hw->autoneg = 1;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4496
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4497
		break;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4498
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4499
	default:
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4500
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4501
		return -EINVAL;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4502
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4503
	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4504
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4505
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4506
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4507
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4508
	struct net_device *netdev = pci_get_drvdata(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4509
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4510
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4511
	u32 ctrl, ctrl_ext, rctl, status;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4512
	u32 wufc = adapter->wol;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4513
#ifdef CONFIG_PM
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4514
	int retval = 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4515
#endif
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4516
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4517
	netif_device_detach(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4518
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4519
	if (netif_running(netdev)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4520
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4521
		e1000_down(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4522
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4523
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4524
#ifdef CONFIG_PM
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4525
	retval = pci_save_state(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4526
	if (retval)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4527
		return retval;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4528
#endif
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4529
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4530
	status = er32(STATUS);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4531
	if (status & E1000_STATUS_LU)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4532
		wufc &= ~E1000_WUFC_LNKC;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4533
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4534
	if (wufc) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4535
		e1000_setup_rctl(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4536
		e1000_set_rx_mode(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4537
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4538
		/* turn on all-multi mode if wake on multicast is enabled */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4539
		if (wufc & E1000_WUFC_MC) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4540
			rctl = er32(RCTL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4541
			rctl |= E1000_RCTL_MPE;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4542
			ew32(RCTL, rctl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4543
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4544
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4545
		if (hw->mac_type >= e1000_82540) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4546
			ctrl = er32(CTRL);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4547
			/* advertise wake from D3Cold */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4548
			#define E1000_CTRL_ADVD3WUC 0x00100000
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4549
			/* phy power management enable */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4550
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4551
			ctrl |= E1000_CTRL_ADVD3WUC |
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4552
				E1000_CTRL_EN_PHY_PWR_MGMT;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4553
			ew32(CTRL, ctrl);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4554
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4555
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4556
		if (hw->media_type == e1000_media_type_fiber ||
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4557
		    hw->media_type == e1000_media_type_internal_serdes) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4558
			/* keep the laser running in D3 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4559
			ctrl_ext = er32(CTRL_EXT);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4560
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4561
			ew32(CTRL_EXT, ctrl_ext);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4562
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4563
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4564
		ew32(WUC, E1000_WUC_PME_EN);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4565
		ew32(WUFC, wufc);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4566
	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4567
		ew32(WUC, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4568
		ew32(WUFC, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4569
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4570
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4571
	e1000_release_manageability(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4572
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4573
	*enable_wake = !!wufc;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4574
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4575
	/* make sure adapter isn't asleep if manageability is enabled */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4576
	if (adapter->en_mng_pt)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4577
		*enable_wake = true;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4578
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4579
	if (netif_running(netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4580
		e1000_free_irq(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4581
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4582
	pci_disable_device(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4583
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4584
	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4585
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4586
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4587
#ifdef CONFIG_PM
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4588
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4589
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4590
	int retval;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4591
	bool wake;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4592
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4593
	retval = __e1000_shutdown(pdev, &wake);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4594
	if (retval)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4595
		return retval;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4596
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4597
	if (wake) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4598
		pci_prepare_to_sleep(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4599
	} else {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4600
		pci_wake_from_d3(pdev, false);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4601
		pci_set_power_state(pdev, PCI_D3hot);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4602
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4603
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4604
	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4605
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4606
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4607
static int e1000_resume(struct pci_dev *pdev)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4608
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4609
	struct net_device *netdev = pci_get_drvdata(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4610
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4611
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4612
	u32 err;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4613
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4614
	pci_set_power_state(pdev, PCI_D0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4615
	pci_restore_state(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4616
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4617
	if (adapter->need_ioport)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4618
		err = pci_enable_device(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4619
	else
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4620
		err = pci_enable_device_mem(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4621
	if (err) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4622
		printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4623
		return err;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4624
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4625
	pci_set_master(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4626
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4627
	pci_enable_wake(pdev, PCI_D3hot, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4628
	pci_enable_wake(pdev, PCI_D3cold, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4629
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4630
	if (netif_running(netdev)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4631
		err = e1000_request_irq(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4632
		if (err)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4633
			return err;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4634
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4635
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4636
	e1000_power_up_phy(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4637
	e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4638
	ew32(WUS, ~0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4639
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4640
	e1000_init_manageability(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4641
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4642
	if (netif_running(netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4643
		e1000_up(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4644
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4645
	netif_device_attach(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4646
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4647
	return 0;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4648
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4649
#endif
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4650
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4651
static void e1000_shutdown(struct pci_dev *pdev)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4652
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4653
	bool wake;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4654
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4655
	__e1000_shutdown(pdev, &wake);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4656
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4657
	if (system_state == SYSTEM_POWER_OFF) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4658
		pci_wake_from_d3(pdev, wake);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4659
		pci_set_power_state(pdev, PCI_D3hot);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4660
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4661
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4662
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4663
#ifdef CONFIG_NET_POLL_CONTROLLER
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4664
/*
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4665
 * Polling 'interrupt' - used by things like netconsole to send skbs
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4666
 * without having to re-enable interrupts. It's not called while
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4667
 * the interrupt routine is executing.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4668
 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4669
static void e1000_netpoll(struct net_device *netdev)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4670
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4671
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4672
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4673
	disable_irq(adapter->pdev->irq);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4674
	e1000_intr(adapter->pdev->irq, netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4675
	enable_irq(adapter->pdev->irq);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4676
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4677
#endif
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4678
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4679
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4680
 * e1000_io_error_detected - called when PCI error is detected
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4681
 * @pdev: Pointer to PCI device
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4682
 * @state: The current pci connection state
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4683
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4684
 * This function is called after a PCI bus error affecting
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4685
 * this device has been detected.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4686
 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4687
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4688
						pci_channel_state_t state)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4689
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4690
	struct net_device *netdev = pci_get_drvdata(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4691
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4692
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4693
	netif_device_detach(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4694
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4695
	if (state == pci_channel_io_perm_failure)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4696
		return PCI_ERS_RESULT_DISCONNECT;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4697
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4698
	if (netif_running(netdev))
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4699
		e1000_down(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4700
	pci_disable_device(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4701
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4702
	/* Request a slot slot reset. */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4703
	return PCI_ERS_RESULT_NEED_RESET;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4704
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4705
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4706
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4707
 * e1000_io_slot_reset - called after the pci bus has been reset.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4708
 * @pdev: Pointer to PCI device
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4709
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4710
 * Restart the card from scratch, as if from a cold-boot. Implementation
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4711
 * resembles the first-half of the e1000_resume routine.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4712
 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4713
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4714
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4715
	struct net_device *netdev = pci_get_drvdata(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4716
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4717
	struct e1000_hw *hw = &adapter->hw;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4718
	int err;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4719
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4720
	if (adapter->need_ioport)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4721
		err = pci_enable_device(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4722
	else
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4723
		err = pci_enable_device_mem(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4724
	if (err) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4725
		printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4726
		return PCI_ERS_RESULT_DISCONNECT;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4727
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4728
	pci_set_master(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4729
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4730
	pci_enable_wake(pdev, PCI_D3hot, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4731
	pci_enable_wake(pdev, PCI_D3cold, 0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4732
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4733
	e1000_reset(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4734
	ew32(WUS, ~0);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4735
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4736
	return PCI_ERS_RESULT_RECOVERED;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4737
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4738
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4739
/**
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4740
 * e1000_io_resume - called when traffic can start flowing again.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4741
 * @pdev: Pointer to PCI device
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4742
 *
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4743
 * This callback is called when the error recovery driver tells us that
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4744
 * its OK to resume normal operation. Implementation resembles the
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4745
 * second-half of the e1000_resume routine.
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4746
 */
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4747
static void e1000_io_resume(struct pci_dev *pdev)
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4748
{
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4749
	struct net_device *netdev = pci_get_drvdata(pdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4750
	struct e1000_adapter *adapter = netdev_priv(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4751
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4752
	e1000_init_manageability(adapter);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4753
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4754
	if (netif_running(netdev)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4755
		if (e1000_up(adapter)) {
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4756
			printk("e1000: can't bring device back up after reset\n");
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4757
			return;
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4758
		}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4759
	}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4760
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4761
	netif_device_attach(netdev);
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4762
}
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4763
b1266dd6bb2f Added e1000 driver for 2.6.33
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4764
/* e1000_main.c */